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FCKeditor ADS File Upload Vulnerability
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Secunia Advisory:
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SA25719
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Release Date:
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2007-06-18
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Last Update:
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2007-07-02
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Popularity:
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7,567 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | FCKeditor 2.x
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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been discovered in FCKeditor, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerability is caused due to an error in the file upload functionality. This can be exploited to bypass the file extension filter and upload files with arbitrary extensions by using the NTFS Alternate Data Stream (ADS) as the filename, e.g. "file.php::$DATA".
Successful exploitation requires that an NTFS file system is used and that file uploads have been enabled in the "config.php" configuration file (not enabled by default).
The vulnerability is confirmed in version 2.4.3 using the PHP file uploader.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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