SB2020021135 - Privilege escalation in Microsoft Windows Client License Service



SB2020021135 - Privilege escalation in Microsoft Windows Client License Service

Published: February 11, 2020

Security Bulletin ID SB2020021135
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 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-0701)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Client License Service (ClipSVC) when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.


Remediation

Install update from vendor's website.