CVE-2024-6337 Incorrect Authorization allows read access to issues in GitHub Enterprise Server

Medium 5.9 Published 20 Aug 2024 Updated 21 Aug 2024

A GitHub App with limited permissions could read private issue content via user access tokens, exposing sensitive data to unauthorized parties.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-6337?

CVE-2024-6337 is a medium-severity missing authorization vulnerability in Github Enterprise Server, published on 20 Aug 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed a GitHub App with only content: read and pull_request_write: write permissions to read issue content inside a private repository. This was only exploitable via user access token and installation access token was not impacted. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.14 and was fixed in versions 3.13.3, 3.12.8, 3.11.14 and 3.10.16. This vulnerability was reported via the GitHub Bug Bounty program.

Weakness: CWE-863

Which versions are affected by CVE-2024-6337?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2024-6337?

No fix has been published for CVE-2024-6337 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-2024-6337 being exploited?

There is no known exploitation of CVE-2024-6337 in the wild and no public exploit code.

All Github Enterprise Server vulnerabilities

Sources

Also known as GHSA-75w9-x6cm-hvwg.