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Test ID:1.3.6.1.4.1.25623.1.0.800710
Category:Denial of Service
Title:Quagga Denial of Service Vulnerability
Summary:Check for the version of Quagga
Description:

Overview: This host is installed with Quagga for Linux and is prone to
Denial of Service Vulnerability.

Vulnerability Insight:
This flaw is due to an assertion error in the BGP daemon while handling
an AS path containing multiple 4 byte AS numbers.

Impact:
Successful exploitation will let the attacker crash the daemon by advertising
specially crafted AS paths and cause denial of service.

Impact level: Application

Affected Software/OS:
Quagga version 0.99.11 and prior

Fix:
Apply the security update with the patch 0.99.10-1lenny2 for stable versions.
Apply the security update with the patch 0.99.11-2 for unstable versions.
http://www.debian.org/security/2009/dsa-1788

*****
NOTE: Please ignore the warning if patch has been already applied.
*****

References:
http://osvdb.org/54200
http://secunia.com/advisories/34999
http://www.openwall.com/lists/oss-security/2009/05/01/2
Cross-Ref: BugTraq ID: 34817
Common Vulnerability Exposure (CVE) ID: CVE-2009-1572
http://www.openwall.com/lists/oss-security/2009/05/01/1
http://www.openwall.com/lists/oss-security/2009/05/01/2
http://marc.info/?l=quagga-dev&m=123364779626078&w=2
http://thread.gmane.org/gmane.network.quagga.devel/6513
Debian Security Information: DSA-1788 (Google Search)
http://www.debian.org/security/2009/dsa-1788
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01037.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01107.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:109
SuSE Security Announcement: SUSE-SR:2009:012 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
http://www.ubuntu.com/usn/usn-775-1
http://www.securityfocus.com/bid/34817
http://www.osvdb.org/54200
http://www.securitytracker.com/id?1022164
http://secunia.com/advisories/34999
http://secunia.com/advisories/35061
http://secunia.com/advisories/35203
http://secunia.com/advisories/35685
XForce ISS Database: quagga-systemnumber-dos(50317)
http://xforce.iss.net/xforce/xfdb/50317
CopyrightCopyright (C) 2009 Greenbone Networks GmbH

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