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Cisco IPS Packet Handling Denial of Service Vulnerability
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Secunia Advisory:
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SA21029
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Release Date:
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2006-07-13
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Last Update:
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2006-07-18
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Popularity:
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6,454 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| OS: | Cisco Intrusion Prevention System (IPS) 5.x
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| CVE reference: | CVE-2006-3596
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Description:
A vulnerability has been reported in Cisco Intrusion Prevention System (IPS), which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the custom device driver for Intel-based gigabit network adapters when processing certain malformed IP packets. This can be exploited to cause a DoS via a specially crafted packet received on an Intel-based gigabit network adapter configured as a sensing interface.
Successful exploitation causes the network device to stop processing packets and become inaccessible both remotely and via the console.
The vulnerability affects 42xx appliances running IPS software version 5.1 (see the vendor advisory for a full list of vulnerable devices).
Solution:
Update to version 5.1(2).
http://www.cisco.com/pcgi-bin/tablebuild.pl/ips5
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2006-07-18: Added CVE reference.
Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20060712-ips.shtml
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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