CVE-2022-29166 – Improper handling of multiline messages in matrix-appservice-irc

https://notcve.org/view.php?id=CVE-2022-29166

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. matrix-appservice-irc es un puente IRC de Node.js para Matrix. • 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 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •