Vulnerability Note VU#738518

tcpdump contains vulnerability in ISAKMP decoding routine

Overview

tcpdump contains a vulnerability in the way it decodes Internet Security Association and Key Management Protocol (ISAKMP) packets.

I. Description

tcpdump is a widely-used network sniffer that is capable of decoding ISAKMP packets. A vulnerability exists in the way tcpdump parses specially crafted ISAKMP packets.

II. Impact

A remote attacker could cause tcpdump to enter an infinite loop or possibly execute arbitrary code with privileges of the tcpdump process.

III. Solution

Upgrade or Apply Patch

Upgrade or apply a patch as specified by your vendor.

Systems Affected

Vendor	Status	Date Notified
Apple Computer Inc.	Unknown	20-Jan-2004
Conectiva	Unknown	20-Jan-2004
Cray Inc.	Unknown	20-Jan-2004
Debian	Vulnerable	20-Jan-2004
EMC Corporation	Unknown	20-Jan-2004
FreeBSD	Unknown	20-Jan-2004
Fujitsu	Unknown	20-Jan-2004
Guardian Digital Inc.	Vulnerable	20-Jan-2004
Hewlett-Packard Company	Unknown	20-Jan-2004
Hitachi	Not Vulnerable	22-Jan-2004
IBM	Unknown	20-Jan-2004
Ingrian Networks	Unknown	21-Jan-2004
Juniper Networks	Unknown	21-Jan-2004
MandrakeSoft	Unknown	21-Jan-2004
MontaVista Software	Unknown	21-Jan-2004
NEC Corporation	Unknown	21-Jan-2004
NetBSD	Unknown	21-Jan-2004
Nokia	Unknown	21-Jan-2004
Novell	Unknown	21-Jan-2004
OpenBSD	Unknown	21-Jan-2004
OpenPKG	Vulnerable	21-Jan-2004
Openwall GNU/*/Linux	Not Vulnerable	20-Jan-2004
Red Hat Inc.	Vulnerable	21-Jan-2004
SCO	Unknown	21-Jan-2004
Sequent	Unknown	21-Jan-2004
SGI	Unknown	21-Jan-2004
Sun Microsystems Inc.	Unknown	20-Jan-2004
SuSE Inc.	Vulnerable	20-Jan-2004
tcpdump.org	Vulnerable	16-Jan-2004
Trustix	Vulnerable	20-Jan-2004
TurboLinux	Vulnerable	22-Jan-2004
Wind River Systems Inc.	Unknown	20-Jan-2004
Wirex	Unknown	21-Jan-2004

References

http://www.tcpdump.org/
http://www.ietf.org/rfc/rfc2408.txt
http://www.redhat.com/support/errata/RHSA-2004-007.html
http://www.secunia.com/advisories/10636/
http://xforce.iss.net/xforce/xfdb/14835
http://www.securityfocus.com/bid/9423

Credit

This vulnerability was originally reported by Red Hat, Inc. Red Hat, in turn, credits George Bakos for discovering this vulnerability.

This document was written by Damon Morda.

Other Information

Date Public:	2004-01-14
Date First Published:	2004-01-16
Date Last Updated:	2004-01-22
CERT Advisory:
CVE-ID(s):	CAN-2003-0989
NVD-ID(s):	CAN-2003-0989
US-CERT Technical Alerts:
Metric:	2.95
Document Revision:	30

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