SB2018031330 - Information disclosure in Windows Remote Assistance



SB2018031330 - Information disclosure in Windows Remote Assistance

Published: March 13, 2018

Security Bulletin ID SB2018031330
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) XXE attack (CVE-ID: CVE-2018-0878)

The vulnerability allows a remote attacker to perform XXE attack on the target system.

The vulnerability exists due to Windows Remote Assistance incorrectly processes XML External Entities (XXE). A remote attacker can send a specially crafted Remote Assistance invitation file to a user and then steal text files from known locations on the victim's machine, under the context of the user, or alternatively, steal text information from URLs accessible to the victim.


Remediation

Install update from vendor's website.