GLSA 202212-04: LibreOffice: Arbitrary Code Execution

http://security.gentoo.org/

Severity:	high
Title:	LibreOffice: Arbitrary Code Execution
Date:	12/19/2022
Bugs:	#876869
ID:	202212-04

Synopsis

A vulnerability has been discovered in LibreOffice which could result in arbitrary script execution via crafted links.

Background

LibreOffice is a powerful office suite; its clean interface and powerful tools let you unleash your creativity and grow your productivity.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-office/libreoffice-bin	< 7.3.6.2	>= 7.3.6.2	All supported architectures
app-office/libreoffice	< 7.3.6.2	>= 7.3.6.2	All supported architectures

Description

LibreOffice links using the vnd.libreoffice.command scheme could be constructed to call internal macros with arbitrary arguments. Which when clicked on, or activated by document events, could result in arbitrary script execution without warning.

Impact

An attacker able to coerce a victim into opening a crafted LibreOffice document and execute certain actions with it could achieve remote code execution.

Workaround

There is no known workaround at this time.

Resolution

All LibreOffice users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=app-office/libreoffice-7.3.6.2"

All LibreOffice binary users should upgrade to the latest version:


          # emerge --sync
          # emerge --ask --oneshot --verbose ">=app-office/libreoffice-bin-7.3.6.2"

References

CVE-2022-3140

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202212-04.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.