CVE-2023-46646 Missing authorization in Enterprise Server

Medium 5.3 Published 21 Dec 2023 Updated 27 Nov 2024

Unauthorized users can view private repository names via the check run API endpoint in GitHub Enterprise Server.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-46646?

CVE-2023-46646 is a medium-severity missing authorization vulnerability in Github Enterprise Server, published on 21 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper access control in all versions of GitHub Enterprise Server allows unauthorized users to view private repository names via the "Get a check run" API endpoint. This vulnerability did not allow unauthorized access to any repository content besides the name. This vulnerability affected GitHub Enterprise Server version 3.7.0 and above and was fixed in version 3.17.19, 3.8.12, 3.9.7 3.10.4, and 3.11.0.

Weakness: CWE-639

Which versions are affected by CVE-2023-46646?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2023-46646?

No fix has been published for CVE-2023-46646 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-2023-46646 being exploited?

There is no known exploitation of CVE-2023-46646 in the wild and no public exploit code.

All Github Enterprise Server vulnerabilities

Sources

Also known as GHSA-5fwq-2hqv-g62h.