diff options
author | Douwe Maan <douwe@gitlab.com> | 2016-10-27 18:10:19 +0300 |
---|---|---|
committer | Rémy Coutable <remy@rymai.me> | 2016-11-03 18:04:18 +0300 |
commit | dc9b3db8b0e278399c5ce4ff9b0c5e388ecfe5b0 (patch) | |
tree | 21342674480918dd297a8a05f6dc511ff57783be /spec/lib | |
parent | cfb511ea692fedffbad5b6ee1a7638b1eb78a4d6 (diff) |
Merge branch 'fix/import-export-symlink-vulnerability' into 'security'
Fix symlink vulnerability in Import/Export
Replaces https://dev.gitlab.org/gitlab/gitlabhq/merge_requests/2018 made by @james
Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/23822
See merge request !2022
Signed-off-by: Rémy Coutable <remy@rymai.me>
Diffstat (limited to 'spec/lib')
3 files changed, 71 insertions, 1 deletions
diff --git a/spec/lib/gitlab/import_export/file_importer_spec.rb b/spec/lib/gitlab/import_export/file_importer_spec.rb new file mode 100644 index 00000000000..a88ddd17aca --- /dev/null +++ b/spec/lib/gitlab/import_export/file_importer_spec.rb @@ -0,0 +1,42 @@ +require 'spec_helper' + +describe Gitlab::ImportExport::FileImporter, lib: true do + let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') } + let(:export_path) { "#{Dir::tmpdir}/file_importer_spec" } + let(:valid_file) { "#{shared.export_path}/valid.json" } + let(:symlink_file) { "#{shared.export_path}/invalid.json" } + let(:subfolder_symlink_file) { "#{shared.export_path}/subfolder/invalid.json" } + + before do + stub_const('Gitlab::ImportExport::FileImporter::MAX_RETRIES', 0) + allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path) + allow_any_instance_of(Gitlab::ImportExport::CommandLineUtil).to receive(:untar_zxf).and_return(true) + + setup_files + + described_class.import(archive_file: '', shared: shared) + end + + after do + FileUtils.rm_rf(export_path) + end + + it 'removes symlinks in root folder' do + expect(File.exist?(symlink_file)).to be false + end + + it 'removes symlinks in subfolders' do + expect(File.exist?(subfolder_symlink_file)).to be false + end + + it 'does not remove a valid file' do + expect(File.exist?(valid_file)).to be true + end + + def setup_files + FileUtils.mkdir_p("#{shared.export_path}/subfolder/") + FileUtils.touch(valid_file) + FileUtils.ln_s(valid_file, symlink_file) + FileUtils.ln_s(valid_file, subfolder_symlink_file) + end +end diff --git a/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb b/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb index 069ea960321..3038ab53ad8 100644 --- a/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb +++ b/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb @@ -1,4 +1,5 @@ require 'spec_helper' +include ImportExport::CommonUtil describe Gitlab::ImportExport::ProjectTreeRestorer, services: true do describe 'restore project tree' do @@ -175,6 +176,19 @@ describe Gitlab::ImportExport::ProjectTreeRestorer, services: true do expect(MergeRequest.find_by_title('MR2').source_project_id).to eq(-1) end end + + context 'project.json file access check' do + it 'does not read a symlink' do + Dir.mktmpdir do |tmpdir| + setup_symlink(tmpdir, 'project.json') + allow(shared).to receive(:export_path).and_call_original + + restored_project_json + + expect(shared.errors.first).not_to include('test') + end + end + end end end end diff --git a/spec/lib/gitlab/import_export/version_checker_spec.rb b/spec/lib/gitlab/import_export/version_checker_spec.rb index c680e712b59..2405ac5abfe 100644 --- a/spec/lib/gitlab/import_export/version_checker_spec.rb +++ b/spec/lib/gitlab/import_export/version_checker_spec.rb @@ -1,8 +1,10 @@ require 'spec_helper' +include ImportExport::CommonUtil describe Gitlab::ImportExport::VersionChecker, services: true do + let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: '') } + describe 'bundle a project Git repo' do - let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: '') } let(:version) { Gitlab::ImportExport.version } before do @@ -27,4 +29,16 @@ describe Gitlab::ImportExport::VersionChecker, services: true do end end end + + describe 'version file access check' do + it 'does not read a symlink' do + Dir.mktmpdir do |tmpdir| + setup_symlink(tmpdir, 'VERSION') + + described_class.check!(shared: shared) + + expect(shared.errors.first).not_to include('test') + end + end + end end |