SB2019010822 - Privilege escalation in Microsoft Windows COM



SB2019010822 - Privilege escalation in Microsoft Windows COM

Published: January 8, 2019

Security Bulletin ID SB2019010822
CSH 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 vulnerability.


1) Privilege escalation (CVE-ID: CVE-2019-0552)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to an error in Windows COM Desktop Broker. A local attacker can run a specially crafted application and gain elevated privileges and conduct further attacks to execute arbitrary code.


Remediation

Install update from vendor's website.