CVE-2025-23197
matrix-hookshot has a Potential Denial of Service when Hookshot is configured with GitHub support
6.5CVSSMEDIUM
Description
matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. When Hookshot 6 version 6.0.1 or below, or Hookshot 5 version 5.4.1 or below, is configured with GitHub support, it is vulnerable to a Denial of Service (DoS) whereby it can crash on restart due to a missing check. The impact is greater to you untrusted users can add their own GitHub organizations to Hookshot in order to connect their room to a repository. This vulnerability is fixed in 6.0.2 and 5.4.2.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-cr4q-jf47-3645
github.com
https://github.com/matrix-org/matrix-hookshot/commit/e51d8210233ac759e7f7dfebc2c4f1bf6ce94802
github.com
https://matrix-org.github.io/matrix-hookshot/latest/hookshot.html
matrix-org.github.io
and 1 more references View all →
Timeline
Published
Jan 27, 2025
Last Updated
Jan 27, 2025
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