* [gentoo-announce] [ GLSA 201610-03 ] Quagga: Arbitrary code execution
@ 2016-10-10 8:14 99% Aaron Bauman
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From: Aaron Bauman @ 2016-10-10 8:14 UTC (permalink / raw
To: gentoo-announce
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Gentoo Linux Security Advisory GLSA 201610-03
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https://security.gentoo.org/
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Severity: High
Title: Quagga: Arbitrary code execution
Date: October 10, 2016
Bugs: #577156
ID: 201610-03
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Synopsis
========
A buffer overflow in Quagga might allow remote attackers to execute
arbitrary code.
Background
==========
Quagga is a free routing daemon replacing Zebra supporting RIP, OSPF
and BGP.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/quagga < 1.0.20160315 >= 1.0.20160315
Description
===========
A memcpy function in the VPNv4 NLRI parser of bgp_mplsvpn.c does not
properly check the upper-bound length of received Labeled-VPN SAFI
routes data, which may allow for arbitrary code execution on the stack.
Impact
======
A remote attacker could send a specially crafted packet, 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 Quagga users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/quagga-1.0.20160315"
References
==========
[ 1 ] CVE-2016-2342
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2342
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201610-03
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 2016 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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