SB2021041607 - Remote code execution in LibreOffice for Windows



SB2021041607 - Remote code execution in LibreOffice for Windows

Published: April 16, 2021

Security Bulletin ID SB2021041607
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security features bypass (CVE-ID: CVE-2021-25631)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper input validation when processing hyperlinks in a document. A remote attacker can create a document with a specially crafted hyperlink, trick the victim into clicking the link, bypass implemented restrictions on extensions imposed by the denylist and execute arbitrary commands on the system.

Note, the vulnerability affects Windows installations only.


Remediation

Install update from vendor's website.