Vulnerability Monitor

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CVE-2002-0666

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.

Security Impact Summary

CVE-2002-0666 is a security vulnerability that . Impacting 12 products from frees_wan, from apple, from apple and 9 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2002, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2002-11-04T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	frees_wan	frees_wan	1.9	Yes
Application	frees_wan	frees_wan	1.9.1	Yes
Application	frees_wan	frees_wan	1.9.2	Yes
Application	frees_wan	frees_wan	1.9.3	Yes
Application	frees_wan	frees_wan	1.9.4	Yes
Application	frees_wan	frees_wan	1.9.5	Yes
Application	frees_wan	frees_wan	1.9.6	Yes
Operating System	apple	mac_os_x	10.2	Yes
Operating System	apple	mac_os_x_server	10.2	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	netbsd	netbsd	1.5	Yes
Operating System	netbsd	netbsd	1.5	Yes
Operating System	netbsd	netbsd	1.5	Yes
Operating System	netbsd	netbsd	1.5.1	Yes
Operating System	netbsd	netbsd	1.5.2	Yes
Operating System	netbsd	netbsd	1.5.3	Yes
Operating System	netbsd	netbsd	1.6	Yes
Hardware	global_technology_associates	gnat_box_firmware	3.1	Yes
Hardware	global_technology_associates	gnat_box_firmware	3.2	Yes
Hardware	global_technology_associates	gnat_box_firmware	3.3	Yes
Hardware	nec	bluefire_ix1035_router	*	Yes
Hardware	nec	ix1010	*	Yes
Hardware	nec	ix1011	*	Yes
Hardware	nec	ix1020	*	Yes
Hardware	nec	ix1050	*	Yes
Hardware	nec	ix2010	*	Yes

References

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-016.txt.asc ([email protected])
http://razor.bindview.com/publish/advisories/adv_ipsec.html Vendor Advisory ([email protected])
http://www.debian.org/security/2002/dsa-201 ([email protected])
http://www.iss.net/security_center/static/10411.php Vendor Advisory ([email protected])
http://www.kb.cert.org/vuls/id/459371 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/6011 ([email protected])
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-016.txt.asc (af854a3a-2127-422b-91ae-364da2661108)
http://razor.bindview.com/publish/advisories/adv_ipsec.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2002/dsa-201 (af854a3a-2127-422b-91ae-364da2661108)
http://www.iss.net/security_center/static/10411.php Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/459371 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/6011 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For frees_wan's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.