SB2022022435 - Fedora EPEL 8 update for syncthing
Published: February 24, 2022
Security Bulletin ID
SB2022022435
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-21404)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input during synchronization. A remote attacker can send a relay message with a negative length field and crash the server.
Remediation
Install update from vendor's website.