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cve[email protected]CVE-2006-4436
HistoryAug 29, 2006 - 12:04 a.m.

CVE-2006-4436

2006-08-2900:04:00
web.nvd.nist.gov
26
isakmpd
openbsd
replay window
ipsec
replay attacks
nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

6.6 Medium

AI Score

Confidence

Low

0.221 Low

EPSS

Percentile

96.5%

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 configurations

NVD
Node
openbsdopenbsdMatch3.8
OR
openbsdopenbsdMatch3.9

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

6.6 Medium

AI Score

Confidence

Low

0.221 Low

EPSS

Percentile

96.5%