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Last updated: 9/2/2014 3:22:46 AM

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Vulnerability Summary for CVE-2009-1572

Original release date: 05/06/2009
Last revised: 03/31/2011
Source: US-CERT/NIST

Overview

The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (05/18/2009)
Not vulnerable. This issue did not affect the versions of zebra as shipped with Red Hat Enterprise Linux 2.1, and the versions of quagga as shipped with Red Hat Enterprise Linux 3, 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: UBUNTU
Name: USN-775-1
External Source: OSVDB
Name: 54200
External Source: DEBIAN
Name: DSA-1788
Type: Patch Information
External Source: MLIST
Name: [quagga-dev] 20090203 [quagga-dev 6391] [PATCH] BGP 4-byte ASN bug fixes
Type: Patch Information; Exploit
External Source: SECTRACK
Name: 1022164
External Source: MANDRIVA
Name: MDVSA-2009:109
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=526311
Type: Patch Information; Exploit
External Source: MISC
Name: http://thread.gmane.org/gmane.network.quagga.devel/6513
External Source: SECUNIA
Name: 35685
Type: Advisory
External Source: FEDORA
Name: FEDORA-2009-5324
External Source: BID
Name: 34817
External Source: MLIST
Name: [oss-security] 20090501 Re: CVE request (sort of): Quagga BGP crasher
External Source: SECUNIA
Name: 35061
Type: Advisory
External Source: SECUNIA
Name: 35203
Type: Advisory
External Source: MLIST
Name: [oss-security] 20090501 CVE request (sort of): Quagga BGP crasher
External Source: FEDORA
Name: FEDORA-2009-5284
External Source: SUSE
Name: SUSE-SR:2009:012
External Source: SECUNIA
Name: 34999
Type: Advisory
External Source: XF
Name: quagga-systemnumber-dos(50317)

Technical Details

Vulnerability Type (View All)