CVE Vulnerabilities

CVE-2006-4436

Published: Aug 29, 2006 | Modified: Apr 03, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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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.

Affected Software

NameVendorStart VersionEnd Version
OpenbsdOpenbsd3.8 (including)3.8 (including)
OpenbsdOpenbsd3.9 (including)3.9 (including)
IsakmpdUbuntudapper*
IsakmpdUbuntudevel*
IsakmpdUbuntuedgy*
IsakmpdUbuntufeisty*
IsakmpdUbuntugutsy*
IsakmpdUbuntuhardy*
IsakmpdUbuntuintrepid*
IsakmpdUbuntujaunty*
IsakmpdUbuntukarmic*

References