SB2020051259 - Privilege escalation in Windows Background Intelligent Transfer Service



SB2020051259 - Privilege escalation in Windows Background Intelligent Transfer Service

Published: May 12, 2020

Security Bulletin ID SB2020051259
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2020-1112)

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.