A remote code execution 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 override environment variables leading to code execution 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 3.0.3 and was fixed in 3.0.3, 2.22.9, and 2.21.17. This vulnerability was reported via the GitHub Bug Bounty program.
                
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Affected Vendors & Products
References
        History
                    No history.
 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: GitHub_P
Published: 2021-03-23T21:40:12
Updated: 2024-08-03T18:51:07.560Z
Reserved: 2021-01-06T00:00:00
Link: CVE-2021-22864
 Vulnrichment
                        Vulnrichment
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 NVD
                        NVD
                    Status : Modified
Published: 2021-03-23T22:15:12.423
Modified: 2024-11-21T05:50:47.487
Link: CVE-2021-22864
 Redhat
                        Redhat
                    No data.