CVE-2023-23761

Improper authentication vulnerability in GitHub Enterprise Server leading to modification of secret gists

State
Published
Severity
7.7 High
Published
Apr 7, 2023
Updated
Feb 7, 2025
Reserved
Jan 17, 2023

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.7 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:NGitHub_P

Weaknesses

Affected Products

ProductVersions
Enterprise ServerGitHub
  • 3.4.0 through 3.4.17Affectedfrom 3.4.18Not affected
  • 3.5.0 through 3.5.14Affectedfrom 3.5.15Not affected
  • 3.6.0 through 3.6.10Affectedfrom 3.6.11Not affected
  • 3.7.0 through 3.7.7Affectedfrom 3.7.8Not affected
  • 3.8.0 to before 3.8.1Affectedfrom 3.8.1Not affected
  • 3.9.0Not affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.