#VU101796 Input validation error in Matrix Javascript SDK - CVE-2024-50336
Published: December 16, 2024
Vulnerability identifier: #VU101796
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-50336
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Matrix Javascript SDK
Matrix Javascript SDK
Software vendor:
Matrix.org
Matrix.org
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper input validation when handling MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver.
Remediation
Install update from vendor's website.