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Fortinet Products ISAKMP IKE Message Processing Vulnerabilities
Secunia Advisory: SA18446
Release Date: 2006-01-13
Last Update: 2008-05-15
Popularity: 6,579 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Partial Fix

OS:Fortinet FortiManager 2.x
Fortinet FortiManager 3.x
Fortinet FortiOS (FortiGate) 2.x
Fortinet FortiOS (FortiGate) 3.x

Software:Fortinet FortiClient 2.x

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CVE reference:CVE-2005-4570


Description:
Some vulnerabilities have been reported in Fortinet Products, which can be exploited by malicious people to cause a DoS (Denial of Service).

For more information:
SA17553

Successful exploitation requires that IPSec VPN is enabled. IKE will be reportedly be automatically restarted by FortiOS when it crashes.

The vulnerabilities have been reported in the following products.
* FortiOS (FortiGate) version 2.50, 2.80 and 3.0
* FortiManager version 2.80 and 3.0
* FortiClient version 2.0

Solution:
Apply patches when available.

FortiGate (version 3.0):
Apply patch with build 147 or later.

FortiGate (version 2.80):
Apply MR12 when available or contact technical support for a special build.

FortiGate (version 2.50):
No patch available at this time.

FortiManager (version 3.0):
Apply patch with build 189 or later.

FortiManager (version 2.80):
No patch available at this time.

FortiClient:
No patch available at this time.

Changelog:
2008-05-15: Updated link in "Original Advisory" section.

Original Advisory:
http://www.fortiguardcenter.com/advisory/FGA-2005-16.html

Other References:
SA17553:
http://secunia.com/advisories/17553/


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