CVEvulnerability

CVE-2005-3671

7.8 HIGH Published 2005-11-18 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2005-11-18
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C

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.

Affected configurations

• frees wan frees wan 2.04 • openswan openswan 2.1.1 • openswan openswan 2.1.2 • openswan openswan 2.1.4 • openswan openswan 2.1.5 • openswan openswan 2.1.6 • openswan openswan 2.2 • openswan openswan 2.3 • xelerance openswan 2.4.0

References