CVE-2005-3671

Home/CVE/The Internet Key Exchange version 1 (IKEv1) implementation in Openswan 2 (openswan-2) before 2.4.4, and freeswan in SUSE

CVE

The Internet Key Exchange version 1 (IKEv1) implementation in Openswan 2 (openswan-2) before 2.4.4, and freeswan in SUSE

The Internet Key Exchange version 1 (IKEv1) implementation in Openswan 2 (openswan-2) before 2.4.4, and freeswan in SUSE LINUX 9.1 before 2.04_1.5.4-1.23, allow remote attackers to cause a denial of service via (1) a crafted packet using 3DES with an invalid key length, or (2) unspecified inputs when Aggressive Mode is enabled and the PSK is known, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

HIGH · CVSS 7.8 EPSS 0.06721

Act now

EPSS percentile: top 9% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

▤

Affected Products & Versions

frees wanall versions
openswanall versions
xelerance openswanall versions

⚠

Public Exploits & PoCs

pocwww.ee.oulu.fi · isakmpwww.ee.oulu.fi

▣

Scoring & Timeline

7.8

HIGH · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

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

Published to NVD18 Nov 2005 · 09:03 PM

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://archives.neohapsis.com/archives/bugtraq/2005-12/0138.html

http://archives.neohapsis.com/archives/bugtraq/2005-12/0161.html

http://jvn.jp/niscc/NISCC-273756/index.html

http://secunia.com/advisories/17581

http://secunia.com/advisories/17680

http://secunia.com/advisories/17980

Show all 16 references

http://secunia.com/advisories/18115

http://securitytracker.com/id?1015214

http://www.gentoo.org/security/en/glsa/glsa-200512-04.xml

http://www.kb.cert.org/vuls/id/226364Third Party AdvisoryUS Government Resource

http://www.niscc.gov.uk/niscc/docs/re-20051114-01014.pdf?lang=enVendor Advisory

http://www.novell.com/linux/security/advisories/2005_70_ipsec.html

http://www.openswan.org/niscc2/PatchVendor Advisory

http://www.redhat.com/archives/fedora-announce-list/2005-November/msg00057.html

http://www.redhat.com/archives/fedora-announce-list/2005-November/msg00058.html

http://www.securityfocus.com/bid/15416Patch

Intelligence Graph · click any node to traverse

CVETechnique ActorTool Family

drag to reposition · click any node to traverse · button top-right enlarges

External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service

threatengine.sh · Open-source threat intelligence platform · 100+ authoritative sources · Every fact traces to its origin