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Gentoo Linux Security Advisory GLSA 201701-10
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https://security.gentoo.org/
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Severity: Normal
Title: libotr, Pidgin OTR: Remote execution of arbitrary code
Date: January 02, 2017
Bugs: #576914, #576916
ID: 201701-10
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Synopsis
========
Multiple vulnerabilities have been found in libotr and Pidgin OTR,
allowing remote attackers to execute arbitrary code.
Background
==========
Pidgin Off-the-Record (OTR) messaging allows you to have private
conversations over instant messaging. libotr is a portable
off-the-record messaging library.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-libs/libotr < 4.1.1 >= 4.1.1
2 x11-plugins/pidgin-otr < 4.0.2 >= 4.0.2
——————————————————————-
2 affected packages
Description
===========
Multiple vulnerabilities exist in both libotr and Pidgin OTR. Please
review the CVE identifiers for more information.
Impact
======
A remote attacker could send a specially crafted message, possibly
resulting in the execution of 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 libotr users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-libs/libotr-4.1.1”
All Pidgin OTR users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=x11-plugins/pidgin-otr-4.0.2”
References
==========
[ 1 ] CVE-2015-8833
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8833
[ 2 ] CVE-2016-2851
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2851
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-10
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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