CVE-2023-23761

High

Description

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. 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.

SeverityHigh
CVSS7.7
Exploit probability—
ProductGithub Enterprise Server
PublishedApr 7, 2023
First seenApr 7, 2023

How to fix

Update
  • github enterprise_server3.4.18, 3.5.15, 3.6.11, 3.7.8 or later

Affected products

ProductAffected versionsFixed in
github enterprise_serverv < 3.4.18, 3.5.0 ≤ v < 3.5.15, 3.6.0 ≤ v < 3.6.11, 3.7.0 ≤ v < 3.7.8, 3.8.03.4.18, 3.5.15, 3.6.11, 3.7.8

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