SB2020031101 - Privilege escalation in Microsoft Windows Kernel



SB2020031101 - Privilege escalation in Microsoft Windows Kernel

Published: March 11, 2020

Security Bulletin ID SB2020031101
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) UNIX symbolic link following (CVE-ID: CVE-2020-0799)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists in Microsoft Windows when the Windows kernel fails to properly handle parsing of certain symbolic links. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.


Remediation

Install update from vendor's website.