PT-2023-19189 · Github · Github Enterprise Server

Inspector-Ambitious · Published 2023-07-27 · Updated 2023-08-03 · CVE-2023-23764

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions 3.7.0 through 3.7.8 GitHub Enterprise Server versions 3.8.0 through 3.8.1 GitHub Enterprise Server versions 3.9.0

Description An incorrect comparison issue was identified that allowed commit smuggling, displaying an incorrect diff within the GitHub pull request UI. An attacker would need write access to the repository to exploit this. The issue was reported via the GitHub Bug Bounty program.

Recommendations For GitHub Enterprise Server versions 3.7.0 through 3.7.8, update to version 3.7.9. For GitHub Enterprise Server versions 3.8.0 through 3.8.1, update to version 3.8.2. For GitHub Enterprise Server version 3.9.0, update to version 3.9.1.

Fix

Weakness Enumeration

CWE-697

Related Identifiers

CVE-2023-23764

Affected Products

Github Enterprise Server

References · 5

• https://osv.dev/vulnerability/CVE-2023-23764 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-23764 · Security Note
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.2 · Note
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.1 · Note
• https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.9 · Note