SB2021102208 - MitM attack in WinRAR



SB2021102208 - MitM attack in WinRAR

Published: October 22, 2021 Updated: November 29, 2021

Security Bulletin ID SB2021102208
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2021-35052)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists in the WinRar due to usage of Microsoft Internet Explorer component to display a trial notification message in a pop-up window. A remote attacker with ability to perform ARP-spoofing attack can supply a malicious file (e.g. a .rar file) to the WinRar application.


Remediation

Install update from vendor's website.