CVE-2021-22868

Summary

A path traversal vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration options used by GitHub Pages were not sufficiently restricted and made it possible to read files on the GitHub Enterprise Server instance. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.1.8 and was fixed in 3.1.8, 3.0.16, and 2.22.22. This vulnerability was reported via the GitHub Bug Bounty program. This is the result of an incomplete fix for CVE-2021-22867.

Affected Software

VendorProductVersion RangeStatus
GitHubGitHub Enterprise Server2.22 < 2.22.22affected
GitHubGitHub Enterprise Server3.0 < 3.0.16affected
GitHubGitHub Enterprise Server3.1 < 3.1.8affected

Weaknesses

  • CWE-77: CWE-77: Command Injection - Generic

ADP Enrichment

CVE Program Container

Additional References

References