Missing Authorization in Matrix Javascript SDK - CVE-2024-47080
Published: October 16, 2024
Vulnerability identifier: #VU98728
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-47080
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Matrix.org
Affected software:
Matrix Javascript SDK
Matrix Javascript SDK
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to the way the MatrixClient.sendSharedHistoryKeys method shares historical message keys with newly invited users. A remote attacker can inject their own devices to receive sensitive historical keys and access past messages in the room without proper security checks.
How to mitigate CVE-2024-47080
Install updates from vendor's website.