National Cyber Awareness System

Vulnerability Summary for CVE-2008-4551

Overview

strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2008-2660

Hyperlink:http://www.vupen.com/english/advisories/2008/2660

External Source: SECTRACK

Name: 1020903

Hyperlink:http://www.securitytracker.com/id?1020903

External Source: BID

Name: 31291

Hyperlink:http://www.securityfocus.com/bid/31291

External Source: SECUNIA

Name: 31963

Type: Advisory

Hyperlink:http://secunia.com/advisories/31963

External Source: MISC

Name: http://labs.mudynamics.com/advisories/MU-200809-01.txt

Hyperlink:http://labs.mudynamics.com/advisories/MU-200809-01.txt

External Source: CONFIRM

Name: http://download.strongswan.org/CHANGES4.txt

Hyperlink:http://download.strongswan.org/CHANGES4.txt