SB2019012435 - Arch Linux update for matrix-synapse
Published: January 24, 2019 Updated: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Key management errors (CVE-ID: CVE-2019-5885)
The vulnerability allows a remote attacker to impersonate application users.
The vulnerability exists due to usage of a weak and predictable secret key if the macaroon_secret_key authentication parameter is not set. A remote attacker can impersonate other application users.
Remediation
Install update from vendor's website.