isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations (SA) with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-1175-1 New isakmpd packages fix replay protection bypass
EUVD EUVD EUVD-2006-4424 isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations (SA) with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T19:06:07.753Z

Reserved: 2006-08-28T00:00:00

Link: CVE-2006-4436

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2006-08-29T00:04:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2006-4436

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses