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Apani Network Response to ISAKMP cert-fi:7710 Alert
From: mkuch () apani securityfocus com
Date: 9 Dec 2005 23:24:26 -0000
APANI Networks EpiForce 1.9 and Earlier Potential Denial of Service in EpiForce Agent
NOTICE: The information in this notice should be acted upon as soon as possible. All affected customers have already
been contacted by Apani.
Release Date: 2005-12-09
Potential Security Impact: Remote Denial of Service
Source: Apani Networks Corporation
Apani Product Support
A potential denial of service vulnerability has been identified with in the EpiForce Agent. Agents automatically
restart if a failure is detected.
References: cert-fi:7710, NISCC 273756, CVE-2005-3670, CERT VU#226364
EpiForce Agent 1.9 and earlier versions
The Department of Electrical and Information Engineering at the University of Oulu in Finland began the PROTOS project
in 1999. Its purpose is to "research different approaches of testing implementations of protocols using black-box (i.e.
functional) testing methods." Black box testing means that the tester does not have any knowledge of the internal
workings of the specific implementation of the protocol being tested.
Over time, PROTOS developed test suites for a variety of protocols. On 14 November 2005, the PROTOS project announced
the availability of a test suite for the Internet Security Association and Key Management Protocol (ISAKMP). ISAKMP is
a part of the Internet Key Exchange (IKE) protocol, which is used to negotiate IPSec security associations between
Apani EpiForce Agents. It is also used for the same purpose in many VPN products from other companies.
The PROTOS test suite for ISAKMP contains 5000 separate tests. Apani noted that a few tests could crash the IKE
Negotiation Module (INM) in the EpiForce Agent. Agents automatically restart INM if a failure is detected.
NOTE: Customers should be aware that EpiForce Agents do not use aggressive mode negotiations, which was mentioned in
the PROTOS announcement. In addition, EpiForce Agents do not use preshared keys. The PROTOS tests are based on
preshared keys. EpiForce Agents ignore or quickly drop all of the negotiation test messages that originate from the
PROTOS ISAKMP test suite.
EpiForce Version 1.9 and Earlier
Upgrade to Version 2.0
Apani Networks is currently working with our customers in regards to older versions of the product.
Initial release: 1
Support: For further information, contact your Apani Networks support channel or via the web:
Report: To report a potential security vulnerability with an Apani Networks product, contact Apani Networks at support
() apani com
(c)Copyright 2005 Apani Networks
- Apani Network Response to ISAKMP cert-fi:7710 Alert mkuch (Dec 10)