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Sicherheit: Zwei Probleme in libotr und Pidgin OTR
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in libotr und Pidgin OTR
ID: 201701-10
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Mo, 2. Januar 2017, 23:25
Referenzen: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8833
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2851

Originalnachricht

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From: Thomas Deutschmann <whissi@gentoo.org>
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To: gentoo-announce@lists.gentoo.org
Message-ID: <c1c43d90-ecbb-d009-77b2-f57e89f75a36@gentoo.org>
Subject: [ GLSA 201701-10 ] libotr, Pidgin OTR: Remote execution of arbitrary
code

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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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