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.
History

No history.

cve-icon 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

cve-icon Vulnrichment

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cve-icon NVD

Status : Analyzed

Published: 2020-08-27T22:15:09.833

Modified: 2021-12-20T22:35:23.133

Link: CVE-2020-10518

cve-icon Redhat

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