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Cisco IP Phones SYN Flood Device Reload Vulnerability
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Secunia Advisory:
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SA18479
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Release Date:
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2006-01-16
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Last Update:
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2006-08-04
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Popularity:
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7,455 views
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| OS: | Cisco IP Phone 7900 Series
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| Software: | Cisco IP Phone 7940
Cisco IP Phones 7960
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| CVE reference: | CVE-2006-0179
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Description:
A vulnerability has been reported in Cisco 7940 and 7960 IP Phones, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the IP Stack. This can be exploited to cause the IP Phone to reload by sending a SYN flood to an arbitrary port.
Solution:
Update to firmware revision 7.1(1) or later, which have the capability to perform load control using TCP throttling. This prevents a device from reloading.
Provided and/or discovered by:
The vendor credits Knud Erik Højgaard.
Changelog:
2006-08-04: Added CVE reference.
Original Advisory:
http://www.cisco.com/warp/public/707/cisco-response-20060113-ip-phones.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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