Title: OpenBSD isakmpd IKE Payloads Denial Of Service Vulnerability
Severity: MODERATE
Description:
isakmpd is the IKE key management dameon provided with OpenBSD. isakmpd is used when negotiating security associations in authenticated or encrypted network traffic and is normally used to facilitate VPN.
isakmpd is prone to a denial of service condition. It is possible to trigger this condition by sending the daemon malformed IKE packets which contain out of sequence IKE payloads. This is reported to cause the daemon to crash.
This issue may be related to the multiple IKE implementation vulnerabilities described in CERT/CC Vulnerability Note VU#287771.
Affected Products:
- OpenBSD OpenBSD 3.0
- OpenBSD OpenBSD 3.1
References:
- CERT/CC: Vulnerability Note VU#287771
- OpenBSD: Receiving IKE payloads out of sequence can cause isakmpd(8) to crash.
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