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Crob FTP Server Directory Listing Vulnerability
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Secunia Advisory:
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SA10778
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Release Date:
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2004-02-04
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Popularity:
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6,321 views
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Critical:
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Not critical
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Impact:
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Exposure of system information
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Crob FTP Server 3.x
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Description:
Zero_X has reported a vulnerability in Crob FTP Server, which can be exploited by malicious users to disclose directory information.
The vulnerability is caused due to an input validation error in the handling of user input supplied to the "DIR" command. This can be exploited to disclose the content of directories outside the FTP root via a classic directory traversal attack.
Example:
dir ../../*
The vulnerability has been confirmed in version 3.5.1. Other versions may also be affected.
A Denial of Service vulnerability was also reported, which can be exploited by supplying a specially crafted directory traversal string containing a large number of dots. However, this vulnerability could not be confirmed.
Solution:
Grant only access to trusted users.
Provided and/or discovered by:
Zero_X
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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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