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Gene6 FTP Server MKD/XMKD Denial of Service Vulnerability
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Secunia Advisory:
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SA19965
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Release Date:
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2006-05-04
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Last Update:
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2006-05-12
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Popularity:
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4,901 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 remote
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Solution Status:
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Vendor Patch
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| Software: | Gene6 FTP Server 3.x
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| CVE reference: | CVE-2006-2172
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Description:
Alexey Biznya has discovered a vulnerability in Gene6 FTP Server, which can be exploited by malicious users to cause a DoS (Denial of Service).
The vulnerability is caused to an error within the handling of the "MKD" and "XMKD" commands. This can be exploited to cause a DoS via specially crafted arguments passed to the commands.
Example:
MKD ~A/~A/~A/~A/~A/~A/~A [approximate 3000 bytes]
Successful exploitation crashes the server and causes existing users to be disconnected.
The vulnerability has been confirmed in version 3.7.0 Build 24. Other versions may also be affected.
Solution:
Update to version 3.8.0.34.
Provided and/or discovered by:
Discovered by Alexey Biznya based on FTP Fuzzer Tool by Infigo Information Security.
Changelog:
2006-05-08: Added CVE reference.
2006-05-12: Updated "Solution" section.
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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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