SB2023120719 - Privilege escalation in Phoenix BIOS firmware



SB2023120719 - Privilege escalation in Phoenix BIOS firmware

Published: December 7, 2023

Security Bulletin ID SB2023120719
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2023-5058)

The vulnerability allows a local user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input. A local user with write access to the ESP of the victim device can exploit by storing a maliciously crafted logo image.

The vulnerability was dubbed LogoFAIL.


Remediation

Install update from vendor's website.