SB2020060957 - Privilege escalation in Microsoft Windows Background Intelligent Transfer Service
Published: June 9, 2020
Security Bulletin ID
SB2020060957
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote 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-2020-1255)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the way Windows Background Intelligent Transfer Service (BITS) IIS module handles uploaded content. A remote authenticated attacker can upload restricted file types to an IIS-hosted folder
To exploit this vulnerability, an attacker would require permissions to upload files via BITS.
Remediation
Install update from vendor's website.