An Ark security update has been released for Gentoo Linux.

GLSA 202101-06 : Ark: Symlink vulnerability

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Gentoo Linux Security Advisory GLSA 202101-06
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  https://security.gentoo.org/
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Severity: Normal
Title: Ark: Symlink vulnerability
Date: January 11, 2021
Bugs: #743959
ID: 202101-06

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Synopsis
=======
Ark was found to allow arbitrary file overwrite, possibly allowing
arbitrary code execution.

Background
=========
Ark is a graphical file compression/decompression utility with support
for multiple formats.

Affected packages
================
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Package / Vulnerable / Unaffected
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1 kde-apps/ark < 20.04.3-r2 &rt;= 20.04.3-r2

Description
==========
KDE Ark did not fully verify symlinks contained within tar archives.

Impact
=====
A remote attacker could entice a user to open a specially crafted tar
archive using KDE Ark, possibly resulting in execution of arbitrary
code with the privileges of the process or a Denial of Service
condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All KDE Ark users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "&rt;=kde-apps/ark-20.04.3-r2"

References
=========
[ 1 ] CVE-2020-24654
  https://nvd.nist.gov/vuln/detail/CVE-2020-24654

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

  https://security.gentoo.org/glsa/202101-06

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 2021 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