GLSA 202007-47: Okular: Local restricted command execution

http://security.gentoo.org/

Severity:	normal
Title:	Okular: Local restricted command execution
Date:	07/27/2020
Bugs:	#712490
ID:	202007-47

Synopsis

A logic error in Okular might allow an attacker to execute arbitrary code.

Background

Okular is a universal document viewer based on KPDF.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
kde-apps/okular	< 19.12.3-r1	>= 19.12.3-r1	All supported architectures

Description

A logic error was discovered in Okular, which results in trusting action links within a PDF, possibly allowing execution of a binary.

Impact

A remote attacker could entice a user to open a specially crafted PDF using Okular, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

Avoid opening PDFs from an untrusted source.

Resolution

All Okular users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=kde-apps/okular-19.12.3-r1"

References

CVE-2020-9359

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202007-47.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.