TITLE:
OpenBSD isakmpd Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA13443

VERIFY ADVISORY:
http://secunia.com/advisories/13443/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

OPERATING SYSTEM:
OpenBSD 3.x
http://secunia.com/product/100/

DESCRIPTION:
A vulnerability has been reported in OpenBSD, which can be exploited
by malicious, local users to cause a DoS (Denial of Service).

The vulnerability is caused due to an unspecified error in isakmpd
and can be exploited by setting ipsec credentials on a socket.

Successful exploitation corrupts kernel memory and causes a system
panic.

SOLUTION:
Apply patch.

OpenBSD 3.6:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/007_pfkey.patch

OpenBSD 3.5:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/024_pfkey.patch

OpenBSD 3.4:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/035_pfkey.patch

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://www.openbsd.org/errata.html#pfkey

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