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Cisco VPN Concentrator 3000 Series HTTPS Packet Denial of Service
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Secunia Advisory:
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SA14784
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Release Date:
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2005-03-31
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Last Update:
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2005-04-05
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Popularity:
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9,591 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 VPN 3000 Concentrator
Cisco VPN 3002 Hardware Client 3.x
Cisco VPN 3002 Hardware Client 4.x
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| CVE reference: | CVE-2005-0943
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Description:
A vulnerability has been reported in Cisco VPN Concentrator 3000 Series, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an unspecified error within the SSL handling and can be exploited to cause a vulnerable device to reload and/or drop user connections by sending specially crafted HTTPS packets to the device.
Successful exploitation requires that the HTTPS service is enabled (not enabled by default) and can be accessed by the malicious person.
The vulnerability affects devices running software version 4.1.7.A and prior.
Solution:
Update to software version 4.1.7.B or later.
Only trusted hosts and network management workstations should be able to access the HTTPS web management interface.
Provided and/or discovered by:
Reported by vendor.
Changelog:
2005-04-05: Added CVE reference.
Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20050330-vpn3k.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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