National Cyber-Alert System

Vulnerability Summary for CVE-2002-0666

Overview

IPSEC implementations including (1) FreeS/WAN and (2) KAME do not properly calculate the length of authentication data, which allows remote attackers to cause a denial of service (kernel panic) via spoofed, short Encapsulating Security Payload (ESP) packets, which result in integer signedness errors.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#459371

Name: VU#459371

Type: Advisory

Hyperlink:http://www.kb.cert.org/vuls/id/459371

External Source: BID

Name: 6011

Hyperlink:http://www.securityfocus.com/bid/6011

External Source: XF

Name: ipsec-packet-integer-overflow(10411)

Type: Advisory

Hyperlink:http://www.iss.net/security_center/static/10411.php

External Source: DEBIAN

Name: DSA-201

Hyperlink:http://www.debian.org/security/2002/dsa-201

External Source: BINDVIEW

Name: 20021018 Denial of Service in IPSEC implementations

Type: Advisory

Hyperlink:http://razor.bindview.com/publish/advisories/adv_ipsec.html

External Source: NETBSD

Name: NetBSD-SA2002-016

Hyperlink:ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-016.txt.asc