Home / mailings [gentoo-announce] [ GLSA 201709-24 ] RAR, UnRAR: Multiple vulnerabilities
Posted on 25 September 2017
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Gentoo Linux Security Advisory GLSA 201709-24
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https://security.gentoo.org/
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Severity: Normal
Title: RAR, UnRAR: Multiple vulnerabilities
Date: September 25, 2017
Bugs: #622342, #628182, #628184
ID: 201709-24
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Synopsis
========
Multiple vulnerabilities have been found in RAR and UnRAR, the worst of
which may allow attackers to execute arbitrary code.
Background
==========
RAR and UnRAR provide command line interfaces for compressing and
decompressing RAR files.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/rar < 5.5.0_p20170811 >= 5.5.0_p20170811
2 app-arch/unrar < 5.5.7 >= 5.5.7
-------------------------------------------------------------------
2 affected packages
Description
===========
Multiple vulnerabilities have been discovered in RAR and UnRAR. Please
review the referenced CVE identifiers for details.
Impact
======
A remote attacker, by enticing a user to open a specially crafted RAR,
could possibly execute arbitrary code with the privileges of the
process or cause a Denial of Service condition.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All RAR users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/rar-5.5.0_p20170811"
All UnRAR users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/unrar-5.5.7"
References
==========
[ 1 ] CVE-2012-6706
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6706
[ 2 ] CVE-2017-12940
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12940
[ 3 ] CVE-2017-12941
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12941
[ 4 ] CVE-2017-12942
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12942
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201709-24
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
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