Description
matrix-appservice-irc is a Node.js IRC bridge for Matrix. The vulnerability in node-irc allows an attacker to manipulate a Matrix user into executing IRC commands by having them reply to a maliciously crafted message. The vulnerability has been patched in matrix-appservice-irc 0.33.2. Refrain from replying to messages from untrusted participants in IRC-bridged Matrix rooms. There are no known workarounds for this issue.
Remediation
References
https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-37hr-348p-rmf4
https://matrix.org/blog/2022/05/04/0-34-0-security-release-for-matrix-appservice-irc-high-severity
Related Vulnerabilities
CVE-2022-28156 Vulnerability in maven package com.surenpi.jenkins:phoenix-autotest
CVE-2022-41713 Vulnerability in npm package deep-object-diff
CVE-2020-7607 Vulnerability in npm package gulp-styledocco
CVE-2019-10383 Vulnerability in maven package org.jenkins-ci.main:jenkins-core
CVE-2021-29262 Vulnerability in maven package org.apache.solr:solr-core