SB2022020305 - Untrusted Pointer Dereference in Insyde AsfSecureBootSmm driver



SB2022020305 - Untrusted Pointer Dereference in Insyde AsfSecureBootSmm driver

Published: February 3, 2022

Security Bulletin ID SB2022020305
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Untrusted Pointer Dereference (CVE-ID: CVE-2020-5953)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to untrusted pointer dereference error in System Management Interrupt (SWSMI) handler. A remote attacker can trigger pointer dereference and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.