CVE-2023-23762

Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling

Description

An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch before it’s created by the code maintainer. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.13%
Affected: GitHub Enterprise Server
Published at:
Updated at:

References

Link Tags
https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1 release notes
https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8 release notes
https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11 release notes
https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15 release notes
https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18 release notes

Frequently Asked Questions

What is the severity of CVE-2023-23762?
CVE-2023-23762 has been scored as a medium severity vulnerability.
How to fix CVE-2023-23762?
To fix CVE-2023-23762, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-23762 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-23762 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-23762?
CVE-2023-23762 affects GitHub Enterprise Server.
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