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CVE-2021-22870

Path traversal in GitHub Enterprise Server hosted Pages leads to unauthorized file read access

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.0.19, 3.1.11, 3.2.3
None on Exploit-DB, Metasploit or GitHub

Summary

A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. 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 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • GitHub GitHub Enterprise Server

    From 3.0 · fixed in 3.0.19; From 3.1 · fixed in 3.1.11; From 3.2 · fixed in 3.2.3

References 3

docs.github.com