Incorrect Privilege Assignment Affecting matrix-appservice-irc package, versions <0.35.0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.1% (45th percentile)

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  • Snyk IDSNYK-JS-MATRIXAPPSERVICEIRC-3022998
  • published14 Sept 2022
  • disclosed14 Sept 2022
  • creditVal Lorentz

Introduced: 14 Sep 2022

CVE-2022-39203  (opens in a new tab)
CWE-266  (opens in a new tab)

How to fix?

Upgrade matrix-appservice-irc to version 0.35.0 or higher.

Overview

matrix-appservice-irc is an An IRC Bridge for Matrix

Affected versions of this package are vulnerable to Incorrect Privilege Assignment due to improper string characters validation, which makes it possible to provide a maliciously crafted string that would confuse the bridge into combining an attacker-owned channel and an existing channel, which allows granting permissions in the channel.

CVSS Scores

version 3.1