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National Cyber-Alert System

Vulnerability Summary for CVE-2007-4826

Original release date:09/12/2007
Last revised:09/05/2008
Source: US-CERT/NIST

Overview

bgpd in Quagga before 0.99.9 allows explicitly configured BGP peers to cause a denial of service (crash) via a malformed (1) OPEN message or (2) a COMMUNITY attribute, which triggers a NULL pointer dereference. NOTE: vector 2 only exists when debugging is enabled.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:3.5 (LOW) (AV:N/AC:M/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type:Allows disruption of serviceUnknown

Vendor Statments (disclaimer)

Official Statement from Red Hat (09/18/2007)
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=285691 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

References to Advisories, Solutions, and Tools

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External Source: BID
Name: 25634
Type: Patch Information
Hyperlink:http://www.securityfocus.com/bid/25634
External Source: SECUNIA
Name: 26744
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/26744
External Source: CONFIRM
Name: http://quagga.net/news2.php?y=2007&m=9&d=7#id1189190760
Type: Patch Information
Hyperlink:http://quagga.net/news2.php?y=2007&m=9&d=7#id1189190760
External Source: XF
Name: quagga-bgpd-dos(36551)
Hyperlink:http://xforce.iss.net/xforce/xfdb/36551
External Source: UBUNTU
Name: USN-512-1
Hyperlink:http://www.ubuntu.com/usn/usn-512-1
External Source: TRUSTIX
Name: 2007-0028
Hyperlink:http://www.trustix.org/errata/2007/0028/
External Source: CONFIRM
Name: http://www.quagga.net/download/quagga-0.99.9.changelog.txt
Hyperlink:http://www.quagga.net/download/quagga-0.99.9.changelog.txt
External Source: MANDRIVA
Name: MDKSA-2007:182
Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:182
External Source: VUPEN
Name: ADV-2007-3129
Type: Advisory
Hyperlink:http://www.frsirt.com/english/advisories/2007/3129
External Source: DEBIAN
Name: DSA-1382
Hyperlink:http://www.debian.org/security/2007/dsa-1382
External Source: SECUNIA
Name: 27049
Type: Advisory
Hyperlink:http://secunia.com/advisories/27049
External Source: SECUNIA
Name: 26863
Type: Advisory
Hyperlink:http://secunia.com/advisories/26863
External Source: SECUNIA
Name: 26829
Type: Advisory
Hyperlink:http://secunia.com/advisories/26829
External Source: MLIST
Name: [debian-security-announce] 20071003 [SECURITY] [DSA 1379-1] New quagga packages fix denial of service
Hyperlink:http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00153.html
External Source: FEDORA
Name: FEDORA-2007-2196
Hyperlink:http://fedoranews.org/updates/FEDORA-2007-219.shtml
External Source: VUPEN
Name: ADV-2008-1195
Hyperlink:http://www.frsirt.com/english/advisories/2008/1195/references
External Source: SUNALERT
Name: 236141
Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-236141-1
External Source: SECUNIA
Name: 29743
Hyperlink:http://secunia.com/advisories/29743

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.1
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.2
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.3
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.4
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.5
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.6
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.7
spacerspacerNav control image* cpe:/a:quagga:quagga_routing_software_suite:0.99.8
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4826