CVE-2006-1646

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Summary

CVECVE-2006-1646
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-04-06 10:04:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionThe Internet Key Exchange version 1 (IKEv1) implementation (isakmp_agg.c) in the Shoichi Sakane KAME Project racoon, as used by NetBSD 1.6, 2.x before 20060119, certain FreeBSD releases, and possibly other distributions of BSD or Linux operating systems, when running in aggressive mode, allows remote attackers to cause a denial of service (daemon crash) via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

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

EPSS: 0.011080000 probability, percentile 0.781410000 (date 2026-04-19)

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Internet Key Exchange Internet Key Exchange 1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
source-changes: CVS commit: [netbsd-2-1] src/crypto/dist/kame/racoon af854a3a-2127-422b-91ae-364da2661108 mail-index.netbsd.org
ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-003.txt.asc af854a3a-2127-422b-91ae-364da2661108 ftp.netbsd.org
NetBSD racoon IKE Message Processing Denial of Service - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
www.niscc.gov.uk/niscc/docs/re-20051114-01014.pdf af854a3a-2127-422b-91ae-364da2661108 www.niscc.gov.uk
www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp af854a3a-2127-422b-91ae-364da2661108 www.ee.oulu.fi
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