CVE-2022-29166
Improper handling of multiline messages in node-irc affects matrix-appservice-irc
8.0
HIGH
CVSS 3.1
EPSS 0.51%
Description
matrix-appservice-irc provides an 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. In terms of a workaround, users should refrain from replying to messages from untrusted participants in IRC-bridged Matrix rooms.
How to fix CVE-2022-29166
To remediate CVE-2022-29166, upgrade the affected package to a fixed version below.
- —upgrade to 0.33.2 or later
Is CVE-2022-29166 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.33.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |