[NEWS] Cisco Security Agent DoS Vulnerability

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  Cisco Security Agent DoS Vulnerability
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SUMMARY

" <http://www.cisco.com/en/US/products/sw/secursw/ps5057/> Cisco Security 
Agent (CSA) is a network security software agent that provides threat 
protection for server and desktop computing systems."

A malicious attacker may be able to send a crafted IP packet to a Windows 
workstation or server running CSA causing the device to halt and/or 
reload.

DETAILS

Vulnerable Systems:
 * Cisco CSA version 4.5
 * Microsoft Windows Prior to version XP

Immune Systems:
 * Cisco CSA maintenance version 4.5.1.616
 * Cisco CSA 4.0 and prior
 * Cisco CSA while running on Solaris
 * Cisco CSA while running on Linux
 * Cisco CSA while running on Windows XP

If a crafted IP packet with certain characteristics are sent to a Windows 
platform running CSA 4.5, Windows will halt with a blue screen and system 
crash. When exploited, the affected machine will require a reboot to 
become operational again.

Vendor Status:
The vendor has released a patch:  
<http://www.cisco.com/pcgi-bin/tablebuild.pl/csahf-crypto> CSA hotfix 
version 4.5.0.573


ADDITIONAL INFORMATION

The information has been provided by  <mailto:psirt@xxxxxxxxx> Cisco.
The original article can be found at:  
<http://www.cisco.com/warp/public/707/cisco-sa-20050713-csa.shtml> 
http://www.cisco.com/warp/public/707/cisco-sa-20050713-csa.shtml



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