SB2021051128 - Information disclosure in Microsoft Windows Remote Desktop Protocol (RDP)



SB2021051128 - Information disclosure in Microsoft Windows Remote Desktop Protocol (RDP)

Published: May 11, 2021

Security Bulletin ID SB2021051128
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2021-31186)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Windows Remote Desktop Protocol (RDP). A remote attacker can trick a victim to connect to a malicious RDP server, trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.