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Baby FTP Server Directory Traversal and Multiple Connection DoS
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Secunia Advisory:
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SA8904
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Release Date:
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2003-06-02
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Popularity:
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5,285 views
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Critical:
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Moderately critical
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Impact:
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Exposure of sensitive information
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: | Baby FTP Server 1.x
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Description:
Two vulnerabilities have been identified in Baby FTP Server, which can be exploited to cause a DoS (Denial of Service) or traverse directories.
Due to an input validation error in the command "CWD", it is possible for a malicious user to traverse directories by supplying various character sequences (eg. "..." or "/...").
It is also possible for a malicious person to cause a DoS (Denial of Service) on a vulnerable FTP server by establishing multiple connections to it (app. 100 connections) from the same IP address.
The vulnerabilities have been reported in version 1.2. However, prior versions may also be affected.
Solution:
Update to version 1.21:
http://home.kabelfoon.nl/~pablovdm/downloads/babyftp.zip
Provided and/or discovered by:
dr_insane
Original Advisory:
http://packetstormsecurity.nl/0305-exploits/baby.txt
Other References:
http://www.pablovandermeer.nl/baby_ftp_server.html
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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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