CVE-2022-23739 Missing authorization in GitHub Enterprise Server
GitHub Apps with scoped tokens can bypass authorization to access and modify organization-level resources 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-2022-23739?
CVE-2022-23739 is a critical missing authorization vulnerability in Github Enterprise Server, published on 17 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An incorrect authorization vulnerability was identified in GitHub Enterprise Server, allowing for escalation of privileges in GraphQL API requests from GitHub Apps. This vulnerability allowed an app installed on an organization to gain access to and modify most organization-level resources that are not tied to a repository regardless of granted permissions, such as users and organization-wide projects. Resources associated with repositories were not impacted, such as repository file content, repository-specific projects, issues, or pull requests. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.7.1 and was fixed in versions 3.3.16, 3.4.11, 3.5.8, 3.6.4, 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.
Weakness: CWE-863
Which versions are affected by CVE-2022-23739?
It affects 1 product.
Products include Github Enterprise Server.
How do I fix CVE-2022-23739?
No fix has been published for CVE-2022-23739 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-2022-23739 being exploited?
There is no known exploitation of CVE-2022-23739 in the wild and no public exploit code.
Other vulnerabilities in Github Enterprise Server
- CVE-2024-4985 Auth bypass in Enterprise Server
- CVE-2022-46255 Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE
- CVE-2021-22869 Improper access control in GitHub Enterprise Server allows self-hosted runners to execute outside their control group
- CVE-2024-9487 Auth bypass in Enterprise Server
- CVE-2024-6800 Auth bypass in GitHub Enterprise Server
Sources
Also known as GHSA-5863-jg7w-jf64.