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Cisco VPN 3000 Concentrator FTP Management Vulnerabilities
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Secunia Advisory:
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SA21617
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Release Date:
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2006-08-24
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Last Update:
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2006-08-25
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Popularity:
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9,275 views
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Critical:
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Less critical
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Impact:
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Security Bypass
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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
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| | CVE reference: | CVE-2006-4313
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Description:
Two vulnerabilities have been reported in Cisco VPN 3000 Concentrator, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerabilities are caused due to unspecified errors when using FTP as a management protocol and can be exploited to run the "CWD", "MKD", "CDUP", "RNFR", "SIZE", and "RMD" commands without being authenticated. This can e.g. be exploited to delete configuration files and certificates on the device.
Successful exploitation requires that the device has been configured to use FTP as a management protocol (default setting).
The vulnerabilities affect models 3005, 3015, 3020, 3030, 3060, and 3080 running the following versions:
* Any version prior to 4.1
* Any 4.1.x version prior to, and including, 4.1(7)L
* Any 4.7.x version prior to, and including, 4.7(2)F
Solution:
Update to version 4.1(7)M or 4.7(2)G.
http://www.cisco.com/pcgi-bin/tablebuild.pl/vpn3000-3des?psrtdcat20e2
Network security best practises recommend restricting access to the FTP service (or disabling it if not needed to manage the VPN 3000 concentrator).
Provided and/or discovered by:
The vendor credits NCC Group.
Changelog:
2006-08-25: Added CVE reference.
Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20060823-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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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