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FCKeditor File Upload Vulnerability
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Secunia Advisory:
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SA18767
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Release Date:
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2006-02-10
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Last Update:
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2006-06-02
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Critical:
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Moderately critical
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Impact:
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System access
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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: | FCKeditor 2.x
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| | CVE reference: | CVE-2006-0658 (Secunia mirror)
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Description:
rgod has discovered a vulnerability in FCKeditor, which potentially can be exploited by malicious people to compromise a vulnerable system.
The problem is that it is possible to upload arbitrary files to a location inside the web root if the file extension does not match the list of denied file extensions. This can e.g. be exploited to upload and execute a malicious PHP script with the ".php.txt" file extension.
Successful exploitation requires that file uploads have been enabled in the "config.php" configuration file (not enabled by default).
The vulnerability has been confirmed in version 2.2 and has also been reported in version 2.0. Other versions may also be affected.
Solution:
The vulnerability has been fixed in the SVN repository and will be fixed in the upcoming 2.3 version.
Provided and/or discovered by:
rgod
Changelog:
2006-02-16: Added CVE reference.
2006-05-19: Updated advisory.
2006-06-02: 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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3 Related Secunia Security Advisories
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1. FCKEditor PHP File Upload Vulnerability
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2. FCKeditor ADS File Upload Vulnerability
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3. FCKeditor Multiple Vulnerabilities
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