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easy-CMS Multiple File Extensions Vulnerability
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Secunia Advisory:
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SA20733
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Release Date:
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2006-06-19
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Last Update:
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2006-06-23
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Critical:
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Highly 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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Unpatched
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| Software: | easy-CMS 0.x
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| | CVE reference: | CVE-2006-3128 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
Liz0ziM has discovered a vulnerability in easy-CMS, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to an error in the handling of file uploads where a filename has multiple file extensions. This can be exploited to upload malicious script files inside the web root (e.g. a PHP script) via the choose_file.php script.
Example:
[file].php.gif
Successful exploitation may allow execution of script code depending on the HTTP server configuration (it requires e.g. an Apache server with the "mod_mime" module installed).
The vulnerability has been confirmed in version 0.1.2. Other versions may also be affected.
Solution:
Edit the source code to ensure that files with multiple file extensions cannot be uploaded.
Move the "Repositories" directory out of the web root.
Provided and/or discovered by:
Liz0ziM
Changelog:
2006-06-23: Added CVE reference.
Original Advisory:
http://www.biyosecurity.be/bugs/easycms.txt
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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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