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Gentoo Linux Security Advisory GLSA 202007-47
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https://security.gentoo.org/
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Severity: Normal
Title: Okular: Local restricted command execution
Date: July 27, 2020
Bugs: #712490
ID: 202007-47

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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
-------------------------------------------------------------------
1 kde-apps/okular < 19.12.3-r1 >= 19.12.3-r1

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
==========

[ 1 ] CVE-2020-9359
https://nvd.nist.gov/vuln/detail/CVE-2020-9359

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202007-47

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.

License
=======

Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5