SB2024101651 - Missing authorization in Matrix Javascript SDK
Published: October 16, 2024
Security Bulletin ID
SB2024101651
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2024-47080)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 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
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.
Remediation
Install update from vendor's website.