SB2020041443 - Privilege escalation in Microsoft (MAU) Office



SB2020041443 - Privilege escalation in Microsoft (MAU) Office

Published: April 14, 2020

Security Bulletin ID SB2020041443
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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0984)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the Microsoft AutoUpdate (MAU) application for Mac improperly validates updates before executing them. A remote attacker can place a specially crafted executable in a specific location used by the update application and execute arbitrary code in a privileged context. 


Remediation

Install update from vendor's website.