Vulnerability · Published Jan 27, 2025 · Assigned by GitHub_M

CVE-2025-23197matrix-hookshot has a Potential Denial of Service when Hookshot is configured with GitHub support

Medium 6.5

In plain English

A medium-severity security flaw in matrix-hookshot from matrix-org. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.5%top 59.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
matrix-org	matrix-hookshot	>= 6.0.0, < 6.0.2< 5.4.2

Weakness: CWE-754 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-cr4q-jf47-3645 x_refsource_CONFIRM
https://github.com/matrix-org/matrix-hookshot/commit/e51d8210233ac759e7f7dfebc2c4f1bf6ce94802 x_refsource_MISC