CVE-2023-23761 (GCVE-0-2023-23761)

Vulnerability from cvelistv5 – Published: 2023-04-07 18:41 – Updated: 2025-02-07 20:14
VLAI?
Title
Improper authentication vulnerability in GitHub Enterprise Server leading to modification of secret gists
Summary
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.
Severity ?
7.7 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
GitHub Enterprise Server Affected: 3.4.0 , ≤ 3.4.17 (semver)
Affected: 3.5.0 , ≤ 3.5.14 (semver)
Affected: 3.6.0 , ≤ 3.6.10 (semver)
Affected: 3.7.0 , ≤ 3.7.7 (semver)
Affected: 3.8.0 , < 3.8.1 (semver)
Unaffected: 3.9.0
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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