1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
|
#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2013, Michael Boelen
# Copyright 2007-2017, CISOfy
#
# Website : https://cisofy.com
# Blog : http://linux-audit.com
# GitHub : https://github.com/CISOfy/lynis
#
# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
# welcome to redistribute it under the terms of the GNU General Public License.
# See LICENSE file for usage of this software.
#
#################################################################################
#
# Ports and packages
#
#################################################################################
#
InsertSection "Ports and packages"
PACKAGE_MGR_PKG=0
PACKAGE_AUDIT_TOOL=""
PACKAGE_AUDIT_TOOL_FOUND=0
INSTALLED_PACKAGES=""
#
#################################################################################
#
Display --indent 2 --text "- Searching package managers"
#
#################################################################################
#
# Test : PKGS-7301
# Description : Query FreeBSD pkg
if [ -x ${ROOTDIR}usr/sbin/pkg ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7301 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Query NetBSD pkg"
if [ ${SKIPTEST} -eq 0 ]; then
FIND=$(pkg -N 2>&1; echo $?)
if [ "${FIND}" = "0" ]; then
Display --indent 4 --text "- Searching packages with pkg" --result "${STATUS_FOUND}" --color GREEN
Report "package_manager[]=pkg"
PACKAGE_MGR_PKG=1
LogText "Result: Found pkg"
LogText "Test: Querying pkg to get package list"
Display --indent 6 --text "- Querying pkg for installed packages"
LogText "Output:"; LogText "-----"
SPACKAGES=$(${ROOTDIR}usr/sbin/pkg query %n,%v)
for ITEM in ${SPACKAGES}; do
sPKG_NAME=$(echo ${ITEM} | ${CUTBINARY} -d ',' -f1)
sPKG_VERSION=$(echo ${ITEM} | ${CUTBINARY} -d ',' -f2)
LogText "Installed package: ${sPKG_NAME} (version: ${sPKG_VERSION})"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${ITEM}"
done
fi
fi
#
#################################################################################
#
# Test : PKGS-7302
# Description : Query FreeBSD/NetBSD pkg_info
if [ -x /usr/sbin/pkg_info ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7302 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Query FreeBSD/NetBSD pkg_info"
if [ ${SKIPTEST} -eq 0 ]; then
N=0
Display --indent 4 --text "- Checking pkg_info" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: Found pkg_info"
Report "package_manager[]=pkg_info"
LogText "Test: Querying pkg_info to get package list"
Display --indent 6 --text "- Querying pkg_info for installed packages"
LogText "Output:"; LogText "-----"
SPACKAGES=$(${ROOTDIR}usr/sbin/pkg_info 2>&1 | ${SORTBINARY} | ${TRBINARY} -s ' ' | ${CUTBINARY} -d ' ' -f1 | ${SEDBINARY} -e 's/^\(.*\)-\([0-9].*\)$/\1,\2/g')
for ITEM in ${SPACKAGES}; do
N=$((N + 1))
sPKG_NAME=$(echo ${ITEM} | ${CUTBINARY} -d ',' -f1)
sPKG_VERSION=$(echo ${ITEM} | ${CUTBINARY} -d ',' -f2)
LogText "Installed package: ${sPKG_NAME} (version: ${sPKG_VERSION})"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${ITEM}"
done
Report "installed_packages=${N}"
fi
#
#################################################################################
#
# Test : PKGS-7303
# Description : Query brew package manager
FIND=$(which brew 2> /dev/null | grep -v "no [^ ]* in ")
if [ ! "${FIND}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7303 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Query brew package manager"
if [ ${SKIPTEST} -eq 0 ]; then
Display --indent 4 --text "- Searching brew" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: Found brew"
Report "package_manager[]=brew"
LogText "Test: Querying brew to get package list"
Display --indent 4 --text "- Querying brew for installed packages"
LogText "Output:"; LogText "-----"
GPACKAGES=$(brew list)
for J in ${GPACKAGES}; do
LogText "Found package ${J}"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${J}"
done
else
LogText "Result: brew can NOT be found on this system"
fi
#
#################################################################################
#
# Test : PKGS-7304
# Description : Gentoo packages
if [ -x ${ROOTDIR}usr/bin/emerge -a -x ${ROOTDIR}usr/bin/equery ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7304 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Querying Gentoo packages"
if [ ${SKIPTEST} -eq 0 ]; then
Display --indent 4 --text "- Searching emerge" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: Found Gentoo emerge"
Report "package_manager[]=emerge"
LogText "Test: Querying portage to get package list"
Display --indent 4 --text "- Querying portage for installed packages"
LogText "Output:"; LogText "-----"
GPACKAGES=$(equery l '*' | ${SEDBINARY} -e 's/[.*]//g')
for J in ${GPACKAGES}; do
LogText "Found package ${J}"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${J},0,"
done
else
LogText "Result: emerge can NOT be found on this system"
fi
#
#
#################################################################################
#
# Test : PKGS-7306
# Description : Solaris packages
if [ -x ${ROOTDIR}usr/bin/pkginfo ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7306 --os Solaris --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Querying Solaris packages"
if [ ${SKIPTEST} -eq 0 ]; then
Display --indent 4 --text "- Searching pkginfo" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: Found Solaris pkginfo"
Report "package_manager[]=pkginfo"
LogText "Test: Querying pkginfo to get package list"
Display --indent 4 --text "- Querying pkginfo for installed packages"
LogText "Output:"; LogText "-----"
# Strip SUNW from strings
SPACKAGES=$(${ROOTDIR}usr/bin/pkginfo -i | ${TRBINARY} -s ' ' | ${CUTBINARY} -d ' ' -f2 | ${SEDBINARY} "s#^SUNW##")
for J in ${SPACKAGES}; do
LogText "Found package ${J}"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${J},0,"
done
else
LogText "Result: pkginfo can NOT be found on this system"
fi
#
#################################################################################
#
# Test : PKGS-7308
# Description : RPM package based systems
if [ ! "${RPMBINARY}" = "" -a "${DNFBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7308 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking package list with RPM"
if [ ${SKIPTEST} -eq 0 ]; then
N=0
Display --indent 4 --text "- Searching RPM package manager" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: Found rpm binary (${RPMBINARY})"
Report "package_manager[]=rpm"
LogText "Test: Querying 'rpm -qa' to get package list"
Display --indent 6 --text "- Querying RPM package manager"
LogText "Output:"; LogText "--------"
SPACKAGES=$(${RPMBINARY} -qa --queryformat "%{NAME},%{VERSION}-%{RELEASE}.%{ARCH}\n" 2> /dev/null | sort)
if [ "${SPACKAGES}" = "" ]; then
LogText "Result: RPM binary available, but package list seems to be empty"
LogText "Info: looks like the rpm binary is installed, but not used for package installation"
ReportSuggestion "${TEST_NO}" "Check RPM database as RPM binary available but does not reveal any packages"
else
for J in ${SPACKAGES}; do
N=$((N + 1))
PACKAGE_NAME=$(echo ${J} | ${AWKBINARY} -F, '{print $1}')
PACKAGE_VERSION=$(echo ${J} | ${AWKBINARY} -F, '{print $2}')
LogText "Found package: ${J}"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${PACKAGE_NAME},${PACKAGE_VERSION},"
done
Report "installed_packages=${N}"
fi
else
LogText "Result: RPM binary NOT found on this system, test skipped"
fi
#
#################################################################################
#
# Test : PKGS-7310
# Description : pacman package based systems
if [ ! "${PACMANBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7310 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking package list with pacman"
if [ ${SKIPTEST} -eq 0 ]; then
N=0
Display --indent 4 --text "- Searching pacman package manager" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: Found pacman binary (${PACMANBINARY})"
Report "package_manager[]=pacman"
LogText "Test: Querying 'pacman -Q' to get package list"
Display --indent 6 --text "- Querying pacman package manager"
LogText "Output:"; LogText "--------"
SPACKAGES=$(${PACMANBINARY} -Q | ${SORTBINARY} | ${SEDBINARY} 's/ /,/g')
if [ "${SPACKAGES}" = "" ]; then
LogText "Result: pacman binary available, but package list seems to be empty"
LogText "Info: looks like the pacman binary is installed, but not used for package installation"
else
for J in ${SPACKAGES}; do
N=$((N + 1))
PACKAGE_NAME=$(echo ${J} | ${AWKBINARY} -F, '{ print $1 }')
PACKAGE_VERSION=$(echo ${J} | ${AWKBINARY} -F, '{ print $2 }')
LogText "Found package: ${PACKAGE_NAME} (version: ${PACKAGE_VERSION})"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${J}"
done
Report "installed_packages=${N}"
fi
fi
#
#################################################################################
#
# Test : PKGS-7312
# Description : Check for available package updates when pacman package is used
if [ ! -z "${PACMANBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7312 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking available updates for pacman based system"
if [ ${SKIPTEST} -eq 0 ]; then
FOUND=0
FIND=$(which checkupdates 2> /dev/null | grep -v "no [^ ]* in ")
if [ ! -z "${FIND}" ]; then
FIND=$(checkupdates)
for I in ${FIND}; do
LogText "Result: update available for ${I}"
Report "available_update[]=${I}"
FOUND=1
done
if [ ${FOUND} -eq 1 ]; then
Display --indent 4 --text "- Searching update status (checkupdates)" --result "OUTDATED" --color YELLOW
ReportSuggestion "${TEST_NO}" "Perform update of system updates as this system uses rolling updates"
else
Display --indent 4 --text "- Searching update status (checkupdates)" --result "UP-TO-DATE" --color GREEN
fi
else
LogText "Result: skipping this test, can't find checkupdates binary"
fi
else
LogText "Result: pacman binary NOT found on this system, test skipped"
fi
#
#################################################################################
#
# Test : PKGS-7314
# Description : Check pacman.conf options
PACMANCONF="/etc/pacman.conf"
if [ ! -z "${PACMANBINARY}" -a -f ${PACMANCONF} ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7314 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking pacman configuration options"
if [ ${SKIPTEST} -eq 0 ]; then
COUNT=0
# Check configuration options (options start with a capital)
LogText "Test: searching configured options in ${PACMANCONF}"
FIND=$(${GREPBINARY} "^[A-Z]" ${PACMANCONF} | ${SORTBINARY} -u | ${SEDBINARY} 's/ /:space:/g')
for I in ${FIND}; do
PMOPTION=$(echo ${I} | ${SEDBINARY} 's/:space:/ /g' | ${AWKBINARY} -F= '{ print $1 }')
PMVALUE=$(echo ${I} | ${SEDBINARY} 's/:space:/ /g' | ${AWKBINARY} -F= '{ print $2 }')
LogText "Result: found option ${PMOPTION} configured with value ${PMVALUE}"
Report "pacman_option[]=${PMOPTION}:${PMVALUE}:"
done
# Check software repositories
LogText "Test: checking available repositories"
FIND=$(${GREPBINARY} "^\[.*\]$" ${PACMANCONF} | ${TRBINARY} -d '[]')
for I in ${FIND}; do
COUNT=$((COUNT + 1))
Report "package_repository[]=${I}"
done
LogText "Result: found ${COUNT} repositories"
fi
#
#################################################################################
#
# Test : PKGS-7320
# Description : Check available of arch-audit
if [ "${OS_FULLNAME}" = "Arch Linux" ]; then PREQS_MET="YES"; SKIPREASON=""; else PREQS_MET="NO"; SKIPREASON="Test only applies to Arch Linux"; fi
Register --test-no PKGS-7320 --os "Linux" --preqs-met ${PREQS_MET} --skip-reason "${SKIPREASON}" --weight L --network NO --category security --description "Checking for arch-audit tooling"
if [ ${SKIPTEST} -eq 0 ]; then
if [ -z "${ARCH_AUDIT_BINARY}" ]; then
LogText "Result: no arch-audit binary found"
AddHP 1 2
ReportSuggestion "${TEST_NO}" "Consider installing arch-audit to determine vulnerable packages" "arch-audit" "text:Install arch-audit"
else
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="arch-audit"
LogText "Result: arch-audit binary found (${ARCH_AUDIT_BINARY})"
AddHP 3 3
fi
fi
#
#################################################################################
#
# Test : PKGS-7322
# Description : Discover vulnerable packages with arch-audit
if [ ! -z "${ARCH_AUDIT_BINARY}" ]; then PREQS_MET="YES"; SKIPREASON=""; else PREQS_MET="NO"; SKIPREASON="arch-audit not found"; fi
Register --test-no PKGS-7322 --os "Linux" --preqs-met ${PREQS_MET} --skip-reason "${SKIPREASON}" --weight L --network NO --category security --description "Discover vulnerable packages with arch-audit"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: checking arch-audit output for vulnerable packages"
FIND=$(${ARCH_AUDIT_BINARY} | ${SEDBINARY} 's/\.\..*$//' | ${SEDBINARY} 's/, //g' | ${SEDBINARY} 's/\(\["\|"\]\)//g' | ${SEDBINARY} 's/""/,/g' | ${AWKBINARY} '{ if($1=="Package") { print $2"|"$6"|"}}' | ${AWKBINARY} -F'|' 'NF>1{a[$1] = a[$1]","$2}END{for(i in a){print i""a[i]"|"}}' | ${SEDBINARY} 's/,/|cve=/' | ${SORTBINARY})
if [ -z "${FIND}" ]; then
LogText "Result: no vulnerable packages found with arch-audit"
AddHP 10 10
else
LogText "Result: found one or more vulnerable packages"
for ITEM in ${FIND}; do
LogText "Found line: ${ITEM}"
Report "vulnerable_package[]=${ITEM}"
AddHP 1 2
done
ReportWarning "${TEST_NO}" "Vulnerable packages found" "arch-audit has output" "text:Update packages with pacman -Suy"
fi
fi
#
#################################################################################
#
# Test : PKGS-7328
# Description : Check installed packages with Zypper
if [ ! "${ZYPPERBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7328 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Querying Zypper for installed packages"
if [ ${SKIPTEST} -eq 0 ]; then
N=0
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="zypper"
FIND=$(${ZYPPERBINARY} -n se -t package -i | ${AWKBINARY} '{ if ($1=="i") { print $3 } }')
if [ ! "${FIND}" = "" ]; then
for I in ${FIND}; do
N=$((N + 1))
LogText "Installed package: ${I}"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${J},0,"
done
Report "installed_packages=${N}"
else
# Could not find any installed packages
ReportException ${TEST_NO} "No installed packages found with Zypper"
fi
fi
#
#################################################################################
#
# Test : PKGS-7330
# Description : Check vulnerable packages with Zypper
if [ ! "${ZYPPERBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7330 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Querying Zypper for vulnerable packages"
if [ ${SKIPTEST} -eq 0 ]; then
FIND=$(${ZYPPERBINARY} -n pchk | ${GREPBINARY} "(0 security patches)")
if [ ! "${FIND}" = "" ]; then
LogText "Result: No security updates found with Zypper"
Display --indent 2 --text "- Using Zypper to find vulnerable packages" --result "${STATUS_NONE}" --color GREEN
else
Display --indent 2 --text "- Using Zypper to find vulnerable packages" --result "${STATUS_WARNING}" --color RED
LogText "Result: Zypper found one or more installed packages which are vulnerable."
ReportWarning ${TEST_NO} "Found one or more vulnerable packages installed"
# Unfortunately zypper does not properly give back which package it is. Usually best guess is last word on the line
FIND=$(${ZYPPERBINARY} -n lp | ${AWKBINARY} '{ if ($5=="security" || $7=="security") { print $NF }}' | ${SEDBINARY} 's/:$//' | ${GREPBINARY} -v "^$" | ${SORTBINARY} -u)
LogText "List of vulnerable packages/version:"
for I in ${FIND}; do
VULNERABLE_PACKAGES_FOUND=1
Report "vulnerable_package[]=${I}"
LogText "Vulnerable package: ${I}"
# Decrease hardening points for every found vulnerable package
AddHP 1 2
done
fi
fi
#
#################################################################################
#
# Test : PKGS-7345
# Description : Debian package based systems (dpkg)
if [ -x /usr/bin/dpkg ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7345 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Querying dpkg"
if [ ${SKIPTEST} -eq 0 ]; then
N=0
Display --indent 4 --text "- Searching dpkg package manager" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: Found dpkg binary"
Report "package_manager[]=dpkg"
LogText "Test: Querying dpkg -l to get package list"
Display --indent 6 --text "- Querying package manager"
LogText "Output:"
SPACKAGES=$(dpkg -l 2>/dev/null | ${GREPBINARY} "^ii" | ${TRBINARY} -s ' ' | ${TRBINARY} ' ' ',' | sort)
for J in ${SPACKAGES}; do
N=$((N + 1))
PACKAGE_NAME=$(echo ${J} | ${CUTBINARY} -d ',' -f2)
PACKAGE_VERSION=$(echo ${J} | ${CUTBINARY} -d ',' -f3)
LogText "Found package: ${PACKAGE_NAME} (version: ${PACKAGE_VERSION})"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${PACKAGE_NAME},${PACKAGE_VERSION}"
done
Report "installed_packages=${N}"
else
LogText "Result: dpkg can NOT be found on this system, test skipped"
fi
#
#################################################################################
#
# Test : PKGS-7346
# Description : Check packages which are removed, but still own configuration files, cron jobs etc
# Notes : Cleanup: for pkg in $(dpkg -l | ${GREPBINARY} "^rc" | ${CUTBINARY} -d' ' -f3); do aptitude purge ${pkg}; done
if [ -x /usr/bin/dpkg ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7346 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Search unpurged packages on system"
if [ ${SKIPTEST} -eq 0 ]; then
N=0
LogText "Test: Querying dpkg -l to get unpurged packages"
SPACKAGES=$(dpkg -l 2>/dev/null | ${GREPBINARY} "^rc" | ${CUTBINARY} -d ' ' -f3 | sort)
if [ "${SPACKAGES}" = "" ]; then
Display --indent 4 --text "- Query unpurged packages" --result "${STATUS_NONE}" --color GREEN
LogText "Result: no packages found with left overs"
else
Display --indent 4 --text "- Query unpurged packages" --result "${STATUS_FOUND}" --color YELLOW
LogText "Result: found one or more packages with left over configuration files, cron jobs etc"
LogText "Output:"
for J in ${SPACKAGES}; do
N=$((N + 1))
LogText "Found unpurged package: ${J}"
done
ReportSuggestion ${TEST_NO} "Purge old/removed packages (${N} found) with aptitude purge or dpkg --purge command. This will cleanup old configuration files, cron jobs and startup scripts."
fi
else
LogText "Result: dpkg can NOT be found on this system, test skipped"
fi
#
#################################################################################
#
# Test : PKGS-7348
# Description : Show unneeded distfiles if present
# Notes : Portsclean seems to be gone from the ports, so no suggestion or warning is
# issued when it's missing.
# Add portmaster --clean-distfiles-all
Register --test-no PKGS-7348 --os FreeBSD --weight L --network NO --category security --description "Check for old distfiles"
if [ ${SKIPTEST} -eq 0 ]; then
if [ -x /usr/local/sbin/portsclean ]; then
FIND=$(/usr/local/sbin/portsclean -n -DD | ${GREPBINARY} 'Delete' | wc -l | ${TRBINARY} -d ' ')
if [ ${FIND} -eq 0 ]; then
Display --indent 2 --text "- Checking presence old distfiles" --result "${STATUS_OK}" --color GREEN
LogText "Result: no unused distfiles found"
else
Display --indent 2 --text "- Checking presence old distfiles" --result "${STATUS_WARNING}" --color YELLOW
LogText "Result: found ${FIND} unused distfiles"
ReportSuggestion ${TEST_NO} "Unused distfiles found. Use portsclean to delete these files. For example: portsclean -DD."
fi
fi
fi
#
#################################################################################
#
# Test : PKGS-7350
# Description : Use Dandified YUM to gather installed packages
# Notes : Possible replacement for YUM in the long term
if [ ! "${DNFBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no "PKGS-7350" --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking for installed packages with DNF utility"
if [ ${SKIPTEST} -eq 0 ]; then
Display --indent 4 --text "- Searching DNF package manager" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: found DNF (Dandified YUM) utility (binary: ${DNFBINARY})"
Report "package_manager[]=dnf"
Display --indent 6 --text "- Querying DNF package manager"
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="dnf"
SPACKAGES=$(${DNFBINARY} -q list installed 2> /dev/null | ${AWKBINARY} '{ if ($1!="Installed" && $1!="Last") {print $1","$2 }}')
for J in ${SPACKAGES}; do
N=$((N + 1))
PACKAGE_NAME=$(echo ${J} | ${CUTBINARY} -d ',' -f1)
PACKAGE_VERSION=$(echo ${J} | ${CUTBINARY} -d ',' -f2)
LogText "Found package: ${PACKAGE_NAME} (version: ${PACKAGE_VERSION})"
INSTALLED_PACKAGES="${INSTALLED_PACKAGES}|${PACKAGE_NAME},${PACKAGE_VERSION}"
done
Report "installed_packages=${N}"
fi
# Test : PKGS-7352
# Description : Use Dandified YUM to detect security updates
if [ ! "${DNFBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no "PKGS-7352" --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking for security updates with DNF utility"
if [ ${SKIPTEST} -eq 0 ]; then
# Check for security updates
LogText "Action: checking updateinfo for security updates"
FIND=$(${DNFBINARY} -q updateinfo list sec 2> /dev/null | ${AWKBINARY} '{ if ($2=="security") { print $3 }}')
if [ ! "${FIND}" = "" ]; then
VULNERABLE_PACKAGES_FOUND=1
LogText "Result: found vulnerable packages, upgrade of system needed."
for PKG in ${FIND}; do
Report "vulnerable_package[]=${PKG}"
LogText "Vulnerable package: ${PKG}"
# Decrease hardening points for every found vulnerable package
AddHP 1 2
done
ReportWarning ${TEST_NO} "Found one or more vulnerable packages. Run: dnf upgrade"
Display --indent 2 --text "- Using DNF to find vulnerable packages" --result "${STATUS_WARNING}" --color RED
else
LogText "Result: no security updates found"
Display --indent 2 --text "- Using DNF to find vulnerable packages" --result "${STATUS_NONE}" --color GREEN
AddHP 5 5
fi
fi
# Test : PKGS-7354
# Description : Perform integrity tests for package database
if [ ! "${DNFBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no "PKGS-7354" --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking package database integrity"
if [ ${SKIPTEST} -eq 0 ]; then
# Check if repoquery plugin is available
FIND=$(${DNFBINARY} 2>&1 | ${GREPBINARY} "^repoquery")
if [ ! "${FIND}" = "" ]; then
LogText "Action: checking integrity of package database"
FIND=$(${DNFBINARY} -q repoquery --duplicated)
if [ ! "${FIND}" = "" ]; then
LogText "Result: found unexpected result on repoquery --duplicated"
ReportSuggestion "${TEST_NO}" "Check output of: dnf repoquery --duplicated"
fi
FIND=$(${DNFBINARY} -q repoquery --unsatisfied)
if [ ! "${FIND}" = "" ]; then
LogText "Result: found unexpected result on repoquery --unsatisfied"
ReportSuggestion "${TEST_NO}" "Check output of: dnf repoquery --unsatisfied"
fi
else
LogText "Result: repoquery plugin not installed."
fi
fi
#
#################################################################################
#
# Test : PKGS-7366
# Description : Checking if debsecan is installed and enabled on Debian systems
if [ ! "${DEBSECANBINARY}" = "" -a "${OS}" = "Linux" -a "${LINUX_VERSION}" = "Debian" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no "PKGS-7366" --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking for debsecan utility"
if [ ${SKIPTEST} -eq 0 ]; then
if [ ! "${DEBSECANBINARY}" = "" ]; then
LogText "Result: debsecan utility is installed"
Display --indent 4 --text "- debsecan utility" --result "${STATUS_FOUND}" --color GREEN
AddHP 3 3
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="debsecan"
FIND=$(${FINDBINARY} ${ROOTDIR}etc/cron* -name debsecan)
if [ ! ${FIND} = "" ]; then
LogText "Result: cron job is configured for debsecan"
Display --indent 6 --text "- debsecan cron job" --result "${STATUS_FOUND}" --color GREEN
AddHP 3 3
else
LogText "Result: no cron job is configured for debsecan"
Display --indent 4 --text "- debsecan cron job" --result "${STATUS_NOT_FOUND}" --color YELLOW
AddHP 1 3
ReportSuggestion ${TEST_NO} "Check debsecan cron job and ensure it is enabled"
fi
else
LogText "Result: debsecan is not installed."
Display --indent 4 --text "- debsecan utility" --result "${STATUS_NOT_FOUND}" --color YELLOW
AddHP 0 2
ReportSuggestion ${TEST_NO} "Install debsecan to check for vulnerabilities on installed packages."
fi
fi
#
#################################################################################
#
# Test : PKGS-7370
# Description : Checking debsums installation status and presence in cron job
# Note : Run this only when it is a DPKG based system
if [ ! "${DPKGBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no "PKGS-7370" --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking for debsums utility"
if [ ${SKIPTEST} -eq 0 ]; then
if [ ! "${DEBSUMSBINARY}" = "" ]; then
LogText "Result: debsums utility is installed"
Display --indent 4 --text "- debsums utility" --result "${STATUS_FOUND}" --color GREEN
AddHP 1 1
# Check in /etc/cron.hourly, daily, weekly, monthly etc
COUNT=$(find /etc/cron* -name debsums | wc -l)
if [ ${COUNT} -gt 0 ]; then
LogText "Result: Cron job is configured for debsums utility."
Display --indent 6 --text "- Cron job for debsums" --result "${STATUS_FOUND}" --color GREEN
AddHP 3 3
else
LogText "Result: Cron job is not configured for debsums utility."
Display --indent 6 --text "- Cron job for debsums" --result "${STATUS_NOT_FOUND}" --color YELLOW
AddHP 1 3
ReportSuggestion "${TEST_NO}" "Check debsums configuration and enable checking regurlarly via a cron job."
fi
else
LogText "Result: debsums utility is not installed."
AddHP 0 2
ReportSuggestion ${TEST_NO} "Install debsums utility for the verification of packages with known good database."
fi
fi
#
#################################################################################
#
# Test : PKGS-7378
# Description : Query FreeBSD portmaster for available port upgrades
if [ -x /usr/local/sbin/portmaster ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7378 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Query portmaster for port upgrades"
if [ ${SKIPTEST} -eq 0 ]; then
N=0
LogText "Test: Querying portmaster for possible port upgrades"
UPACKAGES=$(/usr/local/sbin/portmaster -L | ${GREPBINARY} "version available" | ${AWKBINARY} '{ print $5 }')
for J in ${UPACKAGES}; do
N=$((N + 1))
LogText "Upgrade available (new version): ${J}"
Report "upgrade_available[]=${J}"
done
Report "upgrade_available_count=${N}"
if [ ${N} -eq 0 ]; then
LogText "Result: no upgrades found"
Display --indent 2 --text "- Checking portmaster for updates" --result "${STATUS_NONE}" --color GREEN
else
Display --indent 2 --text "- Checking portmaster for updates" --result "${STATUS_FOUND}" --color YELLOW
fi
fi
#
#################################################################################
#
# Test : PKGS-7380
# Description : Check for vulnerable NetBSD packages (with pkg_admin)
Register --test-no PKGS-7380 --os NetBSD --weight L --network NO --category security --description "Check for vulnerable NetBSD packages"
if [ ${SKIPTEST} -eq 0 ]; then
if [ -x /usr/sbin/pkg_admin ]; then
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="pkg_admin audit"
if [ -f /var/db/pkg/pkgs-vulnerabilities ]; then
FIND=$(/usr/sbin/pkg_admin audit)
if [ "${FIND}" = "" ]; then
LogText "Result: pkg_admin audit results are clean"
Display --indent 2 --text "- Checking pkg_admin audit to obtain vulnerable packages" --result "${STATUS_NONE}" --color GREEN
AddHP 10 10
else
Display --indent 2 --text "- Checking pkg_admin audit to obtain vulnerable packages" --result "${STATUS_WARNING}" --color RED
LogText "Result: pkg_admin audit found one or more installed packages which are vulnerable."
ReportWarning ${TEST_NO} "Found one or more vulnerable packages."
LogText "List of vulnerable packages/version:"
for I in $(/usr/sbin/pkg_admin audit | ${AWKBINARY} '{ print $2 }' | ${SORTBINARY} -u); do
VULNERABLE_PACKAGES_FOUND=1
Report "vulnerable_package[]=${I}"
LogText "Vulnerable package: ${I}"
# Decrease hardening points for every found vulnerable package
AddHP 1 2
done
fi
else
ReportSuggestion "${TEST_NO}" "Fetch the package database with pkg_admin fetch-pkg-vulnerabilities"
AddHP 0 2
fi
else
Display --indent 2 --text "- pkg_admin audit not installed" --result "${STATUS_NOT_FOUND}" --color WHITE
LogText "Result: pkg_admin audit not installed, skipping this vulnerability test."
fi
fi
#
#################################################################################
#
# Test : PKGS-7381
# Description : Check for vulnerable FreeBSD packages (with pkg)
# Notes : Related vulnerability file is /var/db/pkg/vuln.xml
# TODO : Run this in any jail
if [ ! -z "${PKG_BINARY}" ]; then PREQS_MET="YES"; SKIPREASON=""; else PREQS_MET="NO"; SKIPREASON="pkg tool not available"; fi
Register --test-no PKGS-7381 --preqs-met ${PREQS_MET} --skip-reason "${SKIPREASON}" --weight L --network NO --category security --description "Check for vulnerable FreeBSD packages with pkg"
if [ ${SKIPTEST} -eq 0 ]; then
COUNT=0
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="pkg audit"
if [ -f ${ROOTDIR}var/db/pkg/vuln.xml ]; then
# Query pkg audit, with optional refresh of vulnerability data (-F)
if [ ${REFRESH_REPOSITORIES} -eq 1 ]; then
FIND=$(${PKG_BINARY} audit -F -q 2> /dev/null)
else
FIND=$(${PKG_BINARY} audit -q 2> /dev/null)
fi
if [ $? -eq 0 ]; then
LogText "Result: pkg audit results are clean"
Display --indent 2 --text "- Checking pkg audit to obtain vulnerable packages" --result "${STATUS_NONE}" --color GREEN
AddHP 10 10
elif [ $? -eq 1 ]; then
if [ ! -z "${FIND}" ]; then
VULNERABLE_PACKAGES_FOUND=1
Display --indent 2 --text "- Checking pkg audit to obtain vulnerable packages" --result "${STATUS_FOUND}" --color YELLOW
for ITEM in ${FIND}; do
COUNT=$((COUNT + 1))
Report "vulnerable_package[]=${ITEM}"
LogText "Vulnerable package: ${ITEM}"
AddHP 1 2
done
ReportWarning ${TEST_NO} "Found vulnerable packages" "${COUNT} vulnerable packages" "text:Run pkg audit"
else
LogText "Result: found an exit code greater than zero, yet no output"
fi
else
LogText "Result: exited with code $?"
ReportException "${TEST_NO}" "Found an unknown exit code for pkg audit. Please create an issue at ${PROJECT_SOURCE}"
fi
else
LogText "Result: could not find vulnerability database"
ReportWarning "${TEST_NO}" "No vulnerability database available" "pkg audit" "text:Run pkg audit -f"
fi
fi
#
#################################################################################
#
# Test : PKGS-7382
# Description : Check for vulnerable FreeBSD packages
# Notes : Newer machines should use pkg audit instead of portaudit
if [ -x /usr/local/sbin/portaudit ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7382 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check for vulnerable FreeBSD packages with portaudit"
if [ ${SKIPTEST} -eq 0 ]; then
PACKAGE_AUDIT_TOOL_FOUND=1
FIND=$(/usr/local/sbin/portaudit | ${GREPBINARY} 'problem(s) in your installed packages found' | ${GREPBINARY} -v '0 problem(s) in your installed packages found')
if [ "${FIND}" = "" ]; then
LogText "Result: Portaudit results are clean"
Display --indent 2 --text "- Checking portaudit to obtain vulnerable packages" --result "${STATUS_NONE}" --color GREEN
AddHP 10 10
else
Display --indent 2 --text "- Checking portaudit to obtain vulnerabilities" --result "${STATUS_WARNING}" --color RED
LogText "Result: Portaudit found one or more installed packages which are vulnerable."
ReportWarning ${TEST_NO} "Found one or more vulnerable packages."
ReportSuggestion ${TEST_NO} "Update your system with portupgrade or other tools"
LogText "List of vulnerable packages/version:"
for I in $(/usr/local/sbin/portaudit | ${GREPBINARY} "Affected package" | ${CUTBINARY} -d ' ' -f3 | ${SORTBINARY} -u); do
VULNERABLE_PACKAGES_FOUND=1
Report "vulnerable_package[]=${I}"
LogText "Vulnerable package: ${I}"
# Decrease hardening points for every found vulnerable package
AddHP 1 2
done
fi
fi
#
#################################################################################
#
# Test : PKGS-7383
# Description : Check for YUM package Update management
# Notes : Skip if DNF is used as package manager
if [ ! "${YUMBINARY}" = "" -a "${DNFBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7383 --preqs-met ${PREQS_MET} --os Linux --weight M --network NO --category security --description "Check for YUM package update management"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: YUM package update management"
FIND=$(${YUMBINARY} repolist 2>/dev/null | ${GREPBINARY} repolist | ${SEDBINARY} 's/ //g' | ${SEDBINARY} 's/[,.]//g' | ${AWKBINARY} -F ":" '{print $2}' | ${EGREPBINARY} "^[0-9]+$")
if [ -z "${FIND}" -o "${FIND}" = "0" ]; then
LogText "Result: YUM package update management failed"
Display --indent 2 --text "- YUM package management consistency" --result "${STATUS_WARNING}" --color RED
ReportWarning ${TEST_NO} "YUM is not properly configured or registered for this platform (no repolist found)"
else
LogText "Result: YUM repository available (${FIND})"
Display --indent 2 --text "- YUM package management consistency" --result "${STATUS_OK}" --color GREEN
fi
fi
#
#################################################################################
#
# Test : PKGS-7384
# Description : Search for YUM utils package
if [ ! "${YUMBINARY}" = "" -a "${DNFBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7384 --preqs-met ${PREQS_MET} --os Linux --weight L --network NO --category security --description "Check for YUM utils package"
if [ ${SKIPTEST} -eq 0 ]; then
if [ -x /usr/bin/package-cleanup ]; then
LogText "Result: found YUM utils package (/usr/bin/package-cleanup)"
# Check for duplicates
LogText "Test: Checking for duplicate packages"
FIND=$(/usr/bin/package-cleanup -q --dupes > /dev/null; echo $?)
if [ "${FIND}" = "0" ]; then
LogText "Result: No duplicate packages found"
Display --indent 2 --text "- Checking package database duplicates" --result "${STATUS_OK}" --color GREEN
else
LogText "Result: One or more duplicate packages found"
Display --indent 2 --text "- Checking package database duplicates" --result "${STATUS_WARNING}" --color RED
ReportWarning ${TEST_NO} "Found one or more duplicate packages installed"
ReportSuggestion ${TEST_NO} "Run package-cleanup to solve duplicate package problems"
fi
# Check for package database problems
LogText "Test: Checking for database problems"
FIND=$(/usr/bin/package-cleanup --problems > /dev/null; echo $?)
if [ "${FIND}" = "0" ]; then
LogText "Result: No package database problems found"
Display --indent 2 --text "- Checking package database for problems" --result "${STATUS_OK}" --color GREEN
else
LogText "Result: One or more problems found in package database"
Display --indent 2 --text "- Checking package database for problems" --result "${STATUS_WARNING}" --color RED
ReportWarning ${TEST_NO} "Found one or more problems in the package database"
ReportSuggestion ${TEST_NO} "Run package-cleanup to solve package problems"
fi
else
Display --indent 2 --text "- yum-utils package not installed" --result "${STATUS_SUGGESTION}" --color YELLOW
LogText "Result: YUM utils package not found"
ReportSuggestion ${TEST_NO} "Install package 'yum-utils' for better consistency checking of the package database"
fi
fi
#
#################################################################################
#
# Test : PKGS-7386
# Description : Search for YUM security package
# Notes : This test does not apply to CentOS and clones, as --security is not available
# : RHEL 7: plugin default installed
# : RHEL 6: yum-security-plugin (plugin)
# : RHEL 5: yum-security (plugin)
if [ -x /usr/bin/yum -a "${DNFBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7386 --preqs-met ${PREQS_MET} --os Linux --weight L --network NO --category security --description "Check for YUM security package"
if [ ${SKIPTEST} -eq 0 ]; then
DO_TEST=0
LogText "Test: Determining if yum-security package installed"
# Check for built-in --security option
if [ ${DO_TEST} -eq 0 ]; then
FileExists /usr/share/yum-cli/cli.py
if [ ${FILE_FOUND} -eq 1 ]; then
SearchItem "\-\-security" "/usr/share/yum-cli/cli.py"
if [ ${ITEM_FOUND} -eq 1 ]; then
DO_TEST=1
LogText "Result: found built-in security in yum"
else
LogText "Result: did not find --security in /usr/share/yum-cli/cli.py"
fi
fi
fi
if [ ${DO_TEST} -eq 0 ]; then
FileExists /etc/yum/pluginconf.d/security.conf
if [ ${FILE_FOUND} -eq 1 ]; then
SearchItem "^enabled=1$" "/etc/yum/pluginconf.d/security.conf"
if [ ${ITEM_FOUND} -eq 1 ]; then
DO_TEST=1
LogText "Result: found enabled plugin"
else
LogText "Result: plugin NOT enabled in /etc/yum/pluginconf.d/security.conf"
fi
fi
fi
# Check if it's installed as package (this is old style)
if [ ${DO_TEST} -eq 0 ]; then
FIND=$(rpm -q yum-security yum-plugin-security | ${GREPBINARY} -v "not installed")
if [ ! "${FIND}" = "" ]; then
LogText "Result: found yum-plugin-security package"
DO_TEST=1
fi
fi
# If we have the module of yum active, continue testing
if [ ${DO_TEST} -eq 1 ]; then
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="yum-security"
LogText "Test: Checking for vulnerable packages"
FIND2=$(/usr/bin/yum list-sec security | ${AWKBINARY} '{ if($2=="security" || $2~"Sec") print $3","$5 }')
if [ "${FIND2}" = "" ]; then
LogText "Result: no vulnerable packages found"
Display --indent 2 --text "- Checking missing security packages" --result "${STATUS_OK}" --color GREEN
else
LogText "Result: found vulnerable package(s)"
Display --indent 2 --text "- Checking missing security packages" --result "${STATUS_WARNING}" --color RED
for I in ${FIND2}; do
VULNERABLE_PACKAGES_FOUND=1
Report "vulnerable_package[]=${I}"
LogText "Vulnerable package: ${I}"
AddHP 1 2
done
ReportWarning ${TEST_NO} "Found one or more vulnerable packages."
ReportSuggestion ${TEST_NO} "Use 'yum --security update' to update your system"
fi
else
LogText "Result: yum-security package not found"
Display --indent 2 --text "- Checking missing security packages" --result "${STATUS_SKIPPED}" --color YELLOW
ReportSuggestion ${TEST_NO} "Install package yum-plugin-security if possible, to maintain security updates easier (yum install yum-plugin-security)"
fi
fi
#
#################################################################################
#
# Test : PKGS-7387
# Description : Search for YUM GPG check
if [ -x /usr/bin/yum -a -z "${DNFBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7387 --preqs-met ${PREQS_MET} --os Linux --weight L --network NO --category security --description "Check for GPG signing in YUM security package"
if [ ${SKIPTEST} -eq 0 ]; then
if [ ! -z "${PYTHONBINARY}" ]; then
LogText "Test: checking enabled repositories"
REPOS=$(${PYTHONBINARY} -c 'import yum ; yb = yum.YumBase() ; print [(r.id + "=" + str(r.gpgcheck)) for r in yb.repos.listEnabled()]' | ${GREPBINARY} "^\[" | ${TRBINARY} -d '[] ' | ${TRBINARY} -d "'" | ${SEDBINARY} 's/,/ /g')
if [ -z "${REPOS}" ]; then LogText "Result: found no repositories"; fi
for I in ${REPOS}; do
REPO=$(echo ${I} | ${AWKBINARY} -F= '{print $1}')
GPGSIGNED=$(echo ${I} | ${AWKBINARY} -F= '{print $2}')
if [ "${GPGSIGNED}" = "False" ]; then
LogText "Result: software repository '${REPO}' is NOT signed"
Report "software_repository_unsigned[]=${REPO}"
AddHP 3 4
elif [ "${GPGSIGNED}" = "True" ]; then
LogText "Result: software repository '${REPO}' is signed"
AddHP 4 4
else
LogText "Result: unknown status for repository (data: ${I})"
fi
done
fi
FOUND=0
FileExists /etc/yum.conf
if [ ${FILE_FOUND} -eq 1 ]; then
SearchItem "^gpgenabled\s*=\s*1$" "/etc/yum.conf"; if [ ${ITEM_FOUND} -eq 1 ]; then FOUND=1; fi
SearchItem "^gpgcheck\s*=\s*1$" "/etc/yum.conf"; if [ ${ITEM_FOUND} -eq 1 ]; then FOUND=1; fi
if [ ${FOUND} -eq 1 ]; then
LogText "Result: GPG check is enabled"
Display --indent 2 --text "- Checking GPG checks (yum.conf)" --result "${STATUS_OK}" --color GREEN
else
Display --indent 2 --text "- Checking GPG checks (yum.conf)" --result "${STATUS_DISABLED}" --color RED
ReportWarning ${TEST_NO} "No GPG signing option found in yum.conf"
fi
fi
fi
#
#################################################################################
#
# Test : PKGS-7388
# Description : Check security repository in Debian/ubuntu apt sources.list file
if [ -f /etc/apt/sources.list -a -d /etc/apt/sources.list.d ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7388 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check security repository in Debian/ubuntu apt sources.list file"
if [ $SKIPTEST -eq 0 ]; then
FOUND=0
if [ ${OPTION_DEBIAN_SKIP_SECURITY_REPOSITORY} -eq 0 ]; then
if [ -f /etc/apt/sources.list ]; then
LogText "Searching for security.debian.org/security.ubuntu.com or security repositories in /etc/apt/sources.list file"
FIND=$(${EGREPBINARY} "security.debian.org|security.ubuntu.com|security " /etc/apt/sources.list | ${GREPBINARY} -v '#' | ${SEDBINARY} 's/ /!space!/g')
if [ ! "${FIND}" = "" ]; then
FOUND=1
Display --indent 2 --text "- Checking security repository in sources.list file" --result "${STATUS_OK}" --color GREEN
LogText "Result: Found security repository in /etc/apt/sources.list"
for REPO in ${FIND}; do
REPO=$(echo ${REPO} | ${SEDBINARY} 's/!space!/ /g')
LogText "Output: ${REPO}"
done
fi
fi
if [ -d /etc/apt/sources.list.d ]; then
LogText "Searching for security.debian.org/security.ubuntu.com or security repositories in /etc/apt/sources.list.d directory"
FIND=$(${EGREPBINARY} -r "security.debian.org|security.ubuntu.com|security " /etc/apt/sources.list.d | ${GREPBINARY} -v '#' | ${SEDBINARY} 's/ /!space!/g')
if [ ! -z "${FIND}" ]; then
FOUND=1
Display --indent 2 --text "- Checking security repository in sources.list.d directory" --result "${STATUS_OK}" --color GREEN
LogText "Result: Found security repository in one or more files in directory /etc/apt/sources.list.d"
for REPO in ${FIND}; do
REPO=$(echo ${REPO} | ${SEDBINARY} 's/!space!/ /g')
LogText "Output: ${REPO}"
done
fi
fi
if [ ${FOUND} -eq 1 ]; then
LogText "Result: security repository was found"
AddHP 3 3
else
Display --indent 2 --text "- Checking security repository in sources.list file or directory" --result "${STATUS_WARNING}" --color RED
ReportWarning ${TEST_NO} "Can't find any security repository in /etc/apt/sources.list or sources.list.d directory"
AddHP 0 3
fi
else
LogText "Skipped as option is set to ignore security repository"
fi
unset FIND FOUND REPO
fi
#
#################################################################################
#
# Test : PKGS-7390
# Description : Check Ubuntu database consistency
if [ "${LINUX_VERSION}" = "Ubuntu" -a -x /usr/bin/apt-get ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7390 --os Linux --preqs-met ${PREQS_MET} --root-only YES --weight L --network NO --category security --description "Check Ubuntu database consistency"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: Package database consistency by running apt-get check"
FIND=$(/usr/bin/apt-get -q=2 check 2> /dev/null; echo $?)
if [ "${FIND}" = "0" ]; then
Display --indent 2 --text "- Checking APT package database" --result "${STATUS_OK}" --color GREEN
LogText "Result: package database seems to be consistent."
else
LogText "Result: package database is most likely NOT consistent"
Display --indent 2 --text "- Checking APT package database" --result "${STATUS_WARNING}" --color RED
ReportWarning ${TEST_NO} "apt-get check returned a non successful exit code."
ReportSuggestion ${TEST_NO} "Run apt-get to perform a manual package database consistency check."
fi
fi
#
#################################################################################
#
# Test : PKGS-7392
# Description : Check Debian/Ubuntu vulnerable packages
if [ -x /usr/bin/apt-get ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7392 --os Linux --preqs-met ${PREQS_MET} --root-only YES --weight L --network YES --category security --description "Check for Debian/Ubuntu security updates"
if [ ${SKIPTEST} -eq 0 ]; then
VULNERABLE_PACKAGES_FOUND=0
SCAN_PERFORMED=0
# If apt-get is installed, then it's a reasonable option for a Package Audit tool
# If apt-check exists, it will be preferred and will overwrite the PACKAGE_AUDIT_TOOL setting
PACKAGE_AUDIT_TOOL="apt-get"
PACKAGE_AUDIT_TOOL_FOUND=1
# Update the repository, outdated repositories don't give much information
LogText "Action: updating repository with apt-get"
/usr/bin/apt-get -q=2 update
LogText "Result: apt-get finished"
LogText "Test: Checking if /usr/lib/update-notifier/apt-check exists"
if [ -x /usr/lib/update-notifier/apt-check ]; then
PACKAGE_AUDIT_TOOL="apt-check"
LogText "Result: found /usr/lib/update-notifier/apt-check"
LogText "Test: checking if any of the updates contain security updates"
# apt-check binary is a script and translated. Do not search for normal text strings, but use numbered output only
FIND=$(/usr/lib/update-notifier/apt-check 2>&1 | ${AWKBINARY} -F\; '{ print $2 }')
# Check if we get the proper line back and amount of security patches available
if [ -z "${FIND}" ]; then
LogText "Result: did not find security updates line"
ReportSuggestion ${TEST_NO} "Check if system is up-to-date, security updates test (apt-check) gives an unexpected result"
ReportException "${TEST_NO}:1" "Apt-check did not provide any result"
else
if [ "${FIND}" = "0" ]; then
LogText "Result: no vulnerable packages found via apt-check"
SCAN_PERFORMED=1
else
VULNERABLE_PACKAGES_FOUND=1
SCAN_PERFORMED=1
LogText "Result: found ${FIND} security updates via apt-check"
AddHP 0 25
fi
fi
else
LogText "Result: apt-check (update-notifier-common) not found"
fi
# Trying also with apt-get directly (does not always work, as updates are distributed on both -security and -updates)
# Show packages which would be upgraded and match 'security' in repository name
FIND=$(/usr/bin/apt-get --dry-run --show-upgraded upgrade 2> /dev/null | ${GREPBINARY} '-security' | ${GREPBINARY} "^Inst" | ${CUTBINARY} -d ' ' -f2 | ${SORTBINARY} -u)
if [ ! "${FIND}" = "" ]; then
VULNERABLE_PACKAGES_FOUND=1
SCAN_PERFORMED=1
LogText "Result: found vulnerable package(s) via apt-get (-security channel)"
PACKAGE_AUDIT_TOOL="apt-get"
PACKAGE_AUDIT_TOOL_FOUND=1
for I in ${FIND}; do
LogText "Found vulnerable package: ${I}"
Report "vulnerable_package[]=${I}"
done
fi
if [ ${SCAN_PERFORMED} -eq 1 ]; then
if [ ${VULNERABLE_PACKAGES_FOUND} -eq 1 ]; then
ReportWarning ${TEST_NO} "Found one or more vulnerable packages."
ReportSuggestion ${TEST_NO} "Update your system with apt-get update, apt-get upgrade, apt-get dist-upgrade and/or unattended-upgrades"
Display --indent 2 --text "- Checking vulnerable packages" --result "${STATUS_WARNING}" --color RED
else
Display --indent 2 --text "- Checking vulnerable packages" --result "${STATUS_OK}" --color GREEN
LogText "Result: no vulnerable packages found"
fi
else
Display --indent 2 --text "- Checking vulnerable packages (apt-get only)" --result "${STATUS_DONE}" --color GREEN
LogText "Result: test not fully executed (missing apt-check output)"
fi
fi
#
#################################################################################
#
# Test : PKGS-7393
# Description : Check Gentoo vulnerable packages
if [ -x /usr/bin/emerge-webrsync ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7393 --preqs-met ${PREQS_MET} --weight L --network YES --category security --description "Check for Gentoo vulnerable packages"
if [ ${SKIPTEST} -eq 0 ]; then
VULNERABLE_PACKAGES_FOUND=0
SCAN_PERFORMED=0
# Update portage.
# Multiple ways to do this. Some require extra packages to be installed,
# others require potential firewall ports to be open, outbound. This is the
# "most friendly" way.
if [ ${REFRESH_REPOSITORIES} -eq 1 ]; then
LogText "Action: updating portage with emerge-webrsync"
/usr/bin/emerge-webrsync --quiet 2> /dev/null
LogText "Result: emerge-webrsync finished"
else
LogText "Result: using a possibly outdated repository, as updating is disabled"
fi
LogText "Test: checking if /usr/bin/glsa-check exists"
if [ -x /usr/bin/glsa-check ]; then
PACKAGE_AUDIT_TOOL_FOUND=1
PACKAGE_AUDIT_TOOL="glsa-check"
LogText "Result: found /usr/bin/glsa-check"
LogText "Test: checking if there are any vulnerable packages"
# glsa-check reports the GLSA date/ID string, not the vulnerable package.
FIND=$(/usr/bin/glsa-check -t all 2>&1 | ${GREPBINARY} -v "This system is affected by the following GLSAs:" | ${GREPBINARY} -v "This system is not affected by any of the listed GLSAs" | ${WCBINARY} -l)
if [ -z "${FIND}" ]; then
LogText "Result: unexpected result: wc should report 0 if no vulnerable packages are found."
LogText "Notes: Check if system is up-to-date, security updates check (glsa-check) gives and unexpected result"
ReportException "${TEST_NO}:1" "glsa-check did not provide any result, which is unexpected"
else
if [ "${FIND}" = "0" ]; then
LogText "Result; no vulnerable packages found via glsa-check"
Display --indent 2 --text "- Checking vulnerable packages (glsa-check)" --result "${STATUS_OK}" --color GREEN
else
VULNERABLE_PACKAGES_FOUND=1
Display --indent 2 --text "- Checking vulnerable packages (glsa-check)" --result "${STATUS_FOUND}" --color RED
LogText "Result: found ${FIND} security updates with glsa-check"
ReportWarning "${TEST_NO}" "Found ${FIND} security update(s) with glsa-check."
LogText "Notes: Run 'glsa-check -t all' to see which GLSA(s) were identified."
AddHP 0 25
fi
fi
else
LogText "Result: glsa-check tool not found"
ReportSuggestion ${TEST_NO} "Use Emerge to install the gentoolkit package, which includes glsa-check tool for additional security checks."
fi
fi
#
#################################################################################
#
# Test : PKGS-7394
# Description : Check Ubuntu upgradeable packages
if [ "${LINUX_VERSION}" = "Ubuntu" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PKGS-7394 --os Linux --preqs-met ${PREQS_MET} --weight L --network YES --category security --description "Check for Ubuntu updates"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: checking /usr/bin/apt-show-versions"
if [ -x /usr/bin/apt-show-versions ]; then
LogText "Result: found /usr/bin/apt-show-versions"
LogText "Test: Checking packages which can be upgraded via apt-show-versions"
FIND=$(/usr/bin/apt-show-versions -u | ${SEDBINARY} 's/ /!space!/g')
if [ -z "${FIND}" ]; then
LogText "Result: no packages found which can be upgraded"
Display --indent 2 --text "- Checking upgradeable packages" --result "${STATUS_NONE}" --color GREEN
AddHP 3 3
else
LogText "Result: found one or more packages which can be upgraded"
Display --indent 2 --text "- Checking upgradeable packages" --result "${STATUS_FOUND}" --color YELLOW
# output: program/repository upgradeable from version X to Y
for ITEM in ${FIND}; do
ITEM=$(echo ${ITEM} | ${SEDBINARY} 's/!space!/ /g')
LogText "${ITEM}"
done
fi
else
LogText "Result: /usr/bin/apt-show-versions not found"
Display --indent 2 --text "- Checking upgradeable packages" --result "${STATUS_SKIPPED}" --color WHITE
ReportSuggestion ${TEST_NO} "Install package apt-show-versions for patch management purposes"
fi
fi
#
#################################################################################
#
# Test : PKGS-7398
# Description : Check package audit tool
Register --test-no PKGS-7398 --weight L --network YES --category security --description "Check for package audit tool"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: checking for package audit tool"
if [ ${PACKAGE_AUDIT_TOOL_FOUND} -eq 0 ]; then
Display --indent 2 --text "- Checking package audit tool" --result "${STATUS_NONE}" --color RED
ReportSuggestion ${TEST_NO} "Install a package audit tool to determine vulnerable packages"
LogText "Result: no package audit tool found"
else
Display --indent 2 --text "- Checking package audit tool" --result INSTALLED --color GREEN
Display --indent 4 --text "Found: ${PACKAGE_AUDIT_TOOL}"
LogText "Result: found package audit tool: ${PACKAGE_AUDIT_TOOL}"
fi
fi
#
#################################################################################
#
# Description : HP-UX packages
# Notes : swlist -l fileset (|${GREPBINARY} patch) / print_manifest
#
#################################################################################
#
# Description : AIX patches
# Notes : /usr/sbin/instfix -c -i | ${CUTBINARY} -d":" -f1
#
#################################################################################
#
# Test : PKGS-7410
# Description : Count number of installed kernel packages
Register --test-no PKGS-7410 --weight L --network NO --category security --description "Count installed kernel packages"
if [ ${SKIPTEST} -eq 0 ]; then
KERNELS=0
if [ ! -z "${RPMBINARY}" ]; then
LogText "Test: Checking how many kernel packages are installed"
KERNELS=$(${RPMBINARY} -q kernel 2> /dev/null | ${WCBINARY} -l)
if [ ${KERNELS} -eq 0 ]; then
LogText "Result: found no kernels from rpm -q kernel output, which is unexpected"
ReportException "KRNL-5840:1" "Could not find any kernel packages from RPM output"
elif [ ${KERNELS} -gt 5 ]; then
LogText "Result: found more than 5 kernel packages on the system, which might indicate lack of regular cleanups"
ReportSuggestion "${TEST_NO}" "Remove any unneeded kernel packages with package-cleanup utility (--old-kernels)"
AddHP 4 5
else
LogText "Result: found ${KERNELS} on the system, which is fine"
AddHP 1 1
fi
fi
fi
#
#################################################################################
#
if [ ! "${INSTALLED_PACKAGES}" = "" ]; then
Report "installed_packages_array=${INSTALLED_PACKAGES}"
fi
Report "package_audit_tool=${PACKAGE_AUDIT_TOOL}"
Report "package_audit_tool_found=${PACKAGE_AUDIT_TOOL_FOUND}"
Report "vulnerable_packages_found=${VULNERABLE_PACKAGES_FOUND}"
WaitForKeyPress
#
#================================================================================
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com
|