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Unrated severityNVD Advisory· Published Nov 18, 2005· Updated Jun 16, 2026

CVE-2005-3671

CVE-2005-3671

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

11
  • Frees Wan/Frees Wan2 versions
    cpe:2.3:a:frees_wan:frees_wan:2.04:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:frees_wan:frees_wan:2.04:*:*:*:*:*:*:*
    • (no CPE)range: <2.04_1.5.4-1.23
  • Xelerance/Openswan9 versions
    cpe:2.3:a:openswan:openswan:2.1.1:*:*:*:*:*:*:*+ 8 more
    • cpe:2.3:a:openswan:openswan:2.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openswan:openswan:2.1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openswan:openswan:2.1.4:*:*:*:*:*:*:*
    • cpe:2.3:a:openswan:openswan:2.1.5:*:*:*:*:*:*:*
    • cpe:2.3:a:openswan:openswan:2.1.6:*:*:*:*:*:*:*
    • cpe:2.3:a:openswan:openswan:2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openswan:openswan:2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:xelerance:openswan:2.4.0:*:*:*:*:*:*:*
    • (no CPE)range: <2.4.4

Patches

Vulnerability mechanics

References

17

News mentions

0

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