SB2019011119 - Fedora 29 update for matrix-synapse
Published: January 11, 2019 Updated: April 24, 2025
Security Bulletin ID
SB2019011119
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Key management errors (CVE-ID: CVE-2019-5885)
CWE-ID: CWE-320 - Key Management Errors
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.