SB2020051259 - Privilege escalation in Windows Background Intelligent Transfer Service
Published: May 12, 2020
Security Bulletin ID
SB2020051259
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2020-1112)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists in the way the Windows Background Intelligent Transfer Service (BITS) IIS module handles uploaded content. A remote user with permissions to upload files via BITS can upload restricted file types to an IIS-hosted folder.
Remediation
Install update from vendor's website.