A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration of the underlying parsers used by GitHub Pages were not sufficiently restricted and made it possible to execute commands 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 2.22 and was fixed in 2.21.6, 2.20.15, and 2.19.21. The underlying issues contributing to this vulnerability were identified both internally and through the GitHub Security Bug Bounty program.
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History
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MITRE
Status: PUBLISHED
Assigner: GitHub_P
Published: 2020-08-27T21:55:11
Updated: 2024-08-04T11:06:09.883Z
Reserved: 2020-03-12T00:00:00
Link: CVE-2020-10518
Vulnrichment
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NVD
Status : Modified
Published: 2020-08-27T22:15:09.833
Modified: 2024-11-21T04:55:31.370
Link: CVE-2020-10518
Redhat
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