Gentoo Linux Security Advisory 201701-27 - Multiple vulnerabilities have been found in 7-Zip, the worst of which may allow execution of arbitrary code. Versions less than 16.02-r1 are affected.
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Gentoo Linux Security Advisory GLSA 201701-27
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https://security.gentoo.org/
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Severity: Normal
Title: 7-Zip: Multiple vulnerabilities
Date: January 11, 2017
Bugs: #582832
ID: 201701-27
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Synopsis
========
Multiple vulnerabilities have been found in 7-Zip, the worst of which
may allow execution of arbitrary code.
Background
==========
7-Zip is an open-source file archiver, an application used primarily to
compress files. 7-Zip uses its own 7z archive format, but can read and
write several other archive formats.
Affected packages
=================
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Package / Vulnerable / Unaffected
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1 app-arch/p7zip < 16.02-r1 >= 16.02-r1
Description
===========
Multiple vulnerabilities have been discovered in 7-Zip. Please review
the CVE identifiers referenced below for details.
Impact
======
A remote attacker could entice a user to open a specially crafted
archive file 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 7-Zip users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/p7zip-16.02-r1"
References
==========
[ 1 ] CVE-2016-2334
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2334
[ 2 ] CVE-2016-2335
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2335
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-27
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 2017 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.
http://creativecommons.org/licenses/by-sa/2.5