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

8HIGH

Key Information:

Vendor

Matrix-org

Status
Matrix-appservice-irc
Vendor
CVE Published:
5 May 2022

What is 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.

Affected Version(s)

matrix-appservice-irc < 0.34.0

References

https://github.com/matrix-org/matrix-appservice-irc/secur...
x_refsource_CONFIRM
https://matrix.org/blog/2022/05/04/0-34-0-security-releas...
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.