SB2020031050 - Privilege escalation in Microsoft Windows Background Intelligent Transfer Service
Published: March 10, 2020
Security Bulletin ID
SB2020031050
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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0787)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows Background Intelligent Transfer Service (BITS) handles symbolic links. A local user can create a malicious application, launch it on the system and overwrite a targeted file leading to an elevated status.
To exploit this vulnerability, an attacker would first have to log on to the system.
Remediation
Install update from vendor's website.