Gentoo Linux Security Advisory 202101-6 - Ark was found to allow arbitrary file overwrite, possibly allowing arbitrary code execution. Versions less than 20.04.3-r2 are affected.
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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 >= 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 ">=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