CVE-2024-2440

A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13 and was fixed in versions 3.9.13, 3.10.10, 3.11.8 and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

Potential Mitigations

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/27.html
• https://cwe.mitre.org/data/definitions/29.html

References

• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.10
• https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.8
• https://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.2
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.13