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CVE-2022-29166

Improper handling of multiline messages in matrix-appservice-irc

Published: May 5, 2022Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-74
NVD MITRE
8.0CVSSHIGH
EPSS Score
0.9%
Top 44.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-74

Affected Products

matrix irc bridgematrix
Mixed
Communications / messaging-chat
matrix-appservice-ircnpmOSS Libraries
matrix-appservice-ircmatrix-org
Mixed
Communications / messaging-chat
matrixoss-projectGBCommunicationsaka synapse, matrix irc bridge, javascript sdk
npmpackage-ecosystemOSS Libraries
matrix-orgoss-projectDECommunicationsaka synapse, matrix-js-sdk, matrix appservice irc

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-37hr-348p-rmf4
github.com
https://matrix.org/blog/2022/05/04/0-34-0-security-release-for-matrix-appservice-irc-high-severity
matrix.org
https://github.com/matrix-org/node-irc/security/advisories/GHSA-52rh-5rpj-c3w6
github.com
and 2 more references View all →

Timeline

Published
May 5, 2022
Last Updated
Nov 21, 2024

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