SB2020112007 - Privilege escalation in swtpm 



SB2020112007 - Privilege escalation in swtpm

Published: November 20, 2020

Security Bulletin ID SB2020112007
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) UNIX symbolic link following (CVE-ID: CVE-2020-28407)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.


Remediation

Install update from vendor's website.