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full-disclosure-uk: [Full-disclosure] [ GLSA 200705-05 ] Quagga:

[Full-disclosure] [ GLSA 200705-05 ] Quagga: Denial of Service

From: Sune Kloppenborg Jeppesen <jaervosz_at_nospam>
Date: Wed May 02 2007 - 11:04:05 GMT
To: gentoo-announce@gentoo.org

  • - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200705-05
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Severity: Normal Title: Quagga: Denial of Service Date: May 02, 2007 Bugs: #174206 ID: 200705-05
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Synopsis


A vulnerability has been discovered in Quagga allowing for a Denial of Service.

Background


Quagga is a free routing daemon, supporting RIP, OSPF and BGP protocols.

Affected packages



Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/quagga < 0.98.6-r2 >= 0.98.6-r2

Description


The Quagga development team reported a vulnerability in the BGP routing deamon when processing NLRI attributes inside UPDATE messages.

Impact


A malicious peer inside a BGP area could send a specially crafted packet to a Quagga instance, possibly resulting in a crash of the Quagga daemon.

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-0.98.6-r2"

References


  [ 1 ] CVE-2007-1995
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1995

Availability


This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200705-05.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 http://bugs.gentoo.org.

License


Copyright 2007 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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