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Last updated: 10/21/2014 11:10:53 AM

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Vulnerability Summary for CVE-2004-0220

Original release date: 05/04/2004
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via a an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation that is not properly handled, as demonstrated by the Striker ISAKMP Protocol Test Suite.

Impact

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

References to Advisories, Solutions, and Tools

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External Source: BUGTRAQ
Name: 20040323 R7-0018: OpenBSD isakmpd payload handling denial-of-service vulnerabilities
Type: Advisory; Patch Information
US-CERT Vulnerability Note: CERT-VN
Name: VU#223273
External Source: SECTRACK
Name: 1009468
External Source: XF
Name: openbsd-isakmp-integer-underflow(15629)
Type: Advisory; Patch Information
External Source: OPENBSD
Name: 20040317 015: RELIABILITY FIX: March 17, 2004
Type: Patch Information
External Source: MISC
Name: http://www.rapid7.com/advisories/R7-0018.html
External Source: BID
Name: 9907

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