CVE-2025-23197 - CVE House

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Status published Medium CVE-2025-23197

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

6.5 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from matrix-org

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matrix-js-sdk has insufficient validation when considering a room to be upgraded by another

matrix-sdk-base has panic in the `RoomMember::normalized_power_level()` method

Matrix Rust SDK allows SQL injection in the EventCache implementation

matrix-sdk-crypto vulnerable to sender of encrypted events being spoofed by homeserver administrator

Affected Vendor

matrix-org

View all reports →

Affected Software

matrix-hookshot

Vulnerable Versions:

>= 6.0.0, < 6.0.2, < 5.4.2

Timeline

Official Publish: January 27th, 2025

Last Modified: February 12th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1499 Endpoint Denial of Service

T1562 Impair Defenses

Defense Evasion

T1005 Data from Local System