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):
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
- 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
External Source: SECUNIA
Name: 26744
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://quagga.net/news2.php?y=2007&m=9&d=7#id1189190760
Type: Patch Information
External Source: XF
Name: quagga-bgpd-dos(36551)
External Source: UBUNTU
Name: USN-512-1
External Source: TRUSTIX
Name: 2007-0028
External Source: CONFIRM
Name: http://www.quagga.net/download/quagga-0.99.9.changelog.txt
External Source: MANDRIVA
Name: MDKSA-2007:182
External Source: VUPEN
Name: ADV-2007-3129
Type: Advisory
External Source: DEBIAN
Name: DSA-1382
External Source: SECUNIA
Name: 27049
Type: Advisory
External Source: SECUNIA
Name: 26863
Type: Advisory
External Source: SECUNIA
Name: 26829
Type: Advisory
External Source: MLIST
Name: [debian-security-announce] 20071003 [SECURITY] [DSA 1379-1] New quagga packages fix denial of service
External Source: FEDORA
Name: FEDORA-2007-2196
External Source: VUPEN
Name: ADV-2008-1195
External Source: SUNALERT
Name: 236141
External Source: SECUNIA
Name: 29743