SB2020041443 - Privilege escalation in Microsoft (MAU) Office
Published: April 14, 2020
Security Bulletin ID
SB2020041443
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0984)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.