SB2021052202 - Red Hat Enterprise Linux 8 update for gssdp and gupnp
Published: May 22, 2021 Updated: August 7, 2022
Security Bulletin ID
SB2021052202
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-2020-12695)
The vulnerability allows a remote attacker to perform a distributed denial of service (DDoS) attack.
The vulnerability exists due to a CallStranger issue in the UPnP SUBSCRIBE functionality. A remote attacker can send traffic to arbitrary destinations, leading to amplified DDoS attacks and data exfiltration.
Remediation
Install update from vendor's website.