SB2021060156 - Ubuntu update for gupnp
Published: June 1, 2021
Security Bulletin ID
SB2021060156
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 security vulnerability.
1) Reliance on Reverse DNS Resolution for a Security-Critical Action (CVE-ID: CVE-2021-33516)
The vulnerability allows a remote attacker to perform DNS rebinding attacks.
The vulnerability exists due to a logic issue in GUPnP. A remote attacker can trick a victim's browser into triggering actions against local UPnP services implemented using this library and gain access to sensitive information (e.g. data exfiltration) or tamper with data.
Remediation
Install update from vendor's website.