CVE-2022-29166CWE-74

Improper handling of multiline messages in matrix-appservice-irc

High · published May 5, 2022

CVSS v3.1
8.0
EPSS
1%
Percentile
62.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01005 · 62.6th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2022-05-05T23:05Z
EPSS history
Timeline
  • 05 MAY 23:05Z
    Improper handling of multiline messages in matrix-appservice-irc
    cvelistv5