SB2021091451 - Spoofing attack in Microsoft Windows Authenticode



SB2021091451 - Spoofing attack in Microsoft Windows Authenticode

Published: September 14, 2021 Updated: September 15, 2021

Security Bulletin ID SB2021091451
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Spoofing attack (CVE-ID: CVE-2021-36959)

The vulnerability allows a local user to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows Authenticode. A local user can spoof page content.


Remediation

Install update from vendor's website.