CVE-2023-51379 Incorrect Authorization for Issue Comments in GitHub Enterprise Server

What is CVE-2023-51379?

CVE-2023-51379 is a medium-severity missing authorization vulnerability in Github Enterprise Server, published on 21 Dec 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed issue comments to be updated with an improperly scoped token. This vulnerability did not allow unauthorized access to any repository content as it also required contents:write and issues:read permissions. This vulnerability affected all versions of GitHub Enterprise Server since 3.7 and was fixed in version 3.17.19, 3.8.12, 3.9.7, 3.10.4, and 3.11.1.

Weakness: CWE-863

Which versions are affected by CVE-2023-51379?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2023-51379?

No fix has been published for CVE-2023-51379 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-51379 being exploited?

There is no known exploitation of CVE-2023-51379 in the wild and no public exploit code.

Other vulnerabilities in Github Enterprise Server

• CVE-2024-4985 Auth bypass in Enterprise Server Critical 10.0
• CVE-2022-23739 Missing authorization in GitHub Enterprise Server Critical 9.8
• CVE-2022-46255 Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE Critical 9.8
• CVE-2021-22869 Improper access control in GitHub Enterprise Server allows self-hosted runners to execute outside their control group Critical 9.8
• CVE-2024-9487 Auth bypass in Enterprise Server Critical 9.5

All Github Enterprise Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9f9g-fjv5-h5g7.