Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Frees Wan | Frees Wan | 2.04 |
| Openswan | Openswan | 2.1.1 |
| Xelerance | Openswan | 2.4.0 |
References
- 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
- http://secunia.com/advisories/18115
- http://securitytracker.com/id?1015214
- http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/Exploit
- 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
FAQ
What is CVE-2005-3671?
CVE-2005-3671 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 s...
How severe is CVE-2005-3671?
CVE-2005-3671 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2005-3671?
Check the references section above for vendor advisories and patch information. Affected products include: Frees Wan Frees Wan, Openswan Openswan, Xelerance Openswan.