CVE Vulnerability

CVE-2022-39202

matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command.

6.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://matrix.org/blog/2022/09/13/security-release-of-matrix-appservice-irc-0-35-0-high-severity/ Vendor Advisory
https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w Third Party Advisory
https://github.com/matrix-org/matrix-appservice-irc/commit/5f87dbed87b4b6dc49b7965ff152ee8535719e67 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:matrix:matrix_irc_bridge:*:*:*:*:*:node.js:*:*
Information

Published : 2022-09-13 06:15

Updated : 2022-09-16 05:42

NVD link : CVE-2022-39202

Mitre link : CVE-2022-39202

Products Affected
No products.
CWE
CWE-269