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diff --git a/doc/user/application_security/dast/checks/16.4.md b/doc/user/application_security/dast/checks/16.4.md new file mode 100644 index 00000000000..c0161c910b0 --- /dev/null +++ b/doc/user/application_security/dast/checks/16.4.md @@ -0,0 +1,28 @@ +--- +stage: Secure +group: Dynamic Analysis +info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments +--- + +# X-Backend-Server header exposes server information + +## Description + +The target website returns the `X-Backend-Server` header which includes potentially internal/hidden IP addresses +or hostnames. By exposing these values, attackers may attempt to circumvent security proxies and access these +hosts directly. + +## Remediation + +Consult your proxy/load balancer documentation or provider on how to disable revealing the +`X-Backend-Server` header value. + +## Details + +| ID | Aggregated | CWE | Type | Risk | +|:---|:--------|:--------|:--------|:--------| +| 16.4 | true | 16 | Passive | Info | + +## Links + +- [cwe](https://cwe.mitre.org/data/definitions/16.html) |