SB2020111024 - Privilege escalation in X.org server
Published: November 10, 2020 Updated: December 2, 2020
Security Bulletin ID
SB2020111024
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2020-25697)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way X.org server handles authentication requests. A local user can impersonate the X.org server and trick the victim into providing credentials to a rouge application under attackers control.
Remediation
Install update from vendor's website.