CVE-2006-4436

Severity

50%

Complexity

99%

Confidentiality

48%

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.

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.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

Type

OpenBSD

First reported 18 years ago

2006-08-29 00:04:00

Last updated 7 years ago

2017-07-20 01:33:00

Affected Software

OpenBSD 3.8

3.8

OpenBSD 3.9

3.9

References

21652

Patch, Vendor Advisory

21905

1016757

Patch

DSA-1175

[3.9] 20060825 008: SECURITY FIX: August 25, 2006

[3.8] 20060825 013: SECURITY FIX: August 25, 2006

28194

19712

Patch

openbsd-isakmpd-security-bypass(28645)

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