CVE-2019-18835 – matrix-synapse

Package

Manager: pip
Name: matrix-synapse
Vulnerable Version: >=0 <1.5.0

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

EPSS: 0.00163 pctl0.37754

Details

Improper Verification of Cryptographic Signature in matrix-synapse Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over `/send_join`, `/send_leave`, and `/invite` may not be correctly signed, or may not come from the expected servers.

Metadata

Created: 2022-05-24T22:01:05Z
Modified: 2024-09-24T15:48:55Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-cppw-2mf8-qpm5/GHSA-cppw-2mf8-qpm5.json
CWE IDs: ["CWE-347"]
Alternative ID: GHSA-cppw-2mf8-qpm5
Finding: F163
Auto approve: 1