CVE-2023-23764

low-risk
Published 2023-07-27

An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff within the GitHub pull request UI. To do so, an attacker would need write access to the repository. This vulnerability affected GitHub Enterprise Server versions 3.7.0 and above and was fixed in versions 3.7.9, 3.8.2, and 3.9.1. This vulnerability was reported via the GitHub Bug Bounty program.

Do I need to act?

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0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.8/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Github

References (6)

Release Notes https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.9
Release Notes https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.2
Release Notes https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.1
Release Notes https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.9
Release Notes https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.2
Release Notes https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.1
23
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low