SB2020011447 - Privilege escalation via symlinks in Microsft Windows
Published: January 14, 2020
Security Bulletin ID
SB2020011447
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) UNIX symbolic link following (CVE-ID: CVE-2020-0635)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue. 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.