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Gentoo Linux Security Advisory GLSA 201402-26
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http://security.gentoo.org/
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Severity: Normal
Title: libssh: Arbitrary code execution
Date: February 21, 2014
Bugs: #444147
ID: 201402-26
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Synopsis
========
Multiple vulnerabilities have been found in libssh, allowing attackers
to execute arbitrary code or cause Denial of Service.
Background
==========
libssh is a C library providing SSHv2 and SSHv1.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-libs/libssh < 0.5.3 >= 0.5.3
Description
===========
Multiple buffer overflow, double free, and integer overflow
vulnerabilities have been discovered in libssh.
Impact
======
A remote attacker 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 libssh users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-libs/libssh-0.5.3”
References
==========
[ 1 ] CVE-2012-4559
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4559
[ 2 ] CVE-2012-4560
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4560
[ 3 ] CVE-2012-4561
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4561
[ 4 ] CVE-2012-4562
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4562
[ 5 ] CVE-2012-6063
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6063
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201402-26.xml
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 2014 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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