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Cisco Products EAP Denial of Service Vulnerability Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA27329  
Release Date: 2007-10-22
Last Update: 2007-10-26

Critical:
Less critical
Impact: DoS
Where: From local network
Solution Status: Vendor Patch

OS:Cisco CATOS 6.x
Cisco CATOS 7.x
Cisco CATOS 8.x
Cisco IOS 12.x
Cisco IOS R12.x


CVE reference:CVE-2007-5651 (Secunia mirror)

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Description:
A vulnerability has been reported in various Cisco products, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the implementation of Extensible Authentication Protocol (EAP) when processing a specially crafted EAP Response Identity packet. This can be exploited to reboot an affected device.

The vulnerability affects the following products:
* Wireless EAP 12.3.JA, 12.3.JEA, 12.3.JEB, 12.3.JEC and 12.4.JA
* Wired EAP (Cisco IOS) 12.1 and 12.2
* Wired EAP (Cisco CatOS) 6.x, 7.x and 8.x

Solution:
Update to a fixed version (see vendor advisory for details).
http://www.cisco.com/warp/public/707/cisco-sr-20071019-eap.shtml

Provided and/or discovered by:
The vendor credits Laurent Butti, Julien Tinnès and Franck Veysset of France Telecom Group.

Changelog:
2007-10-26: Added CVE reference.

Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sr-20071019-eap.shtml



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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