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diff --git a/doc/user/application_security/dast/checks/16.6.md b/doc/user/application_security/dast/checks/16.6.md new file mode 100644 index 00000000000..ddd3a10c5f8 --- /dev/null +++ b/doc/user/application_security/dast/checks/16.6.md @@ -0,0 +1,37 @@ +--- +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 +--- + +# AspNetMvc header exposes version information + +## Description + +The target website returns AspNet header(s) along with version information of this website. By +exposing these values attackers may attempt to identify if the target software is vulnerable to known +vulnerabilities. Or catalog known sites running particular versions to exploit in the future when a +vulnerability is identified in the particular version. + +## Remediation + +To remove the `X-AspNetMvc-Version` information set `MvcHandler.DisableMvcResponseHeader = true;` in the +`Global.asax.cs` file in the `Application_Start()` method. + +```cs +protected void Application_Start() +{ + MvcHandler.DisableMvcResponseHeader = true; +} +``` + +## Details + +| ID | Aggregated | CWE | Type | Risk | +|:---|:--------|:--------|:--------|:--------| +| 16.6 | true | 16 | Passive | Low | + +## Links + +- [CWE](https://cwe.mitre.org/data/definitions/16.html) +- [IIS Remove Unwanted Headers](https://techcommunity.microsoft.com/t5/iis-support-blog/remove-unwanted-http-response-headers/ba-p/369710) |