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DeluxeBB Multiple File Extensions File Upload Vulnerability
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Secunia Advisory:
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SA20135
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Release Date:
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2006-05-17
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Last Update:
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2006-09-08
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Popularity:
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6,418 views
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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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Vendor Patch
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| Software: | DeluxeBB 1.x
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| CVE reference: | CVE-2006-4558
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Description:
rgod has discovered a vulnerability in DeluxeBB, which potentially 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).
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), but requires knowledge of the filename used to save the uploaded attachment.
The vulnerability has been confirmed in version 1.06. Other versions may also be affected.
Solution:
Update to version 1.07.
http://www.deluxebb.com/main.php?content=downloads
Provided and/or discovered by:
rgod
Changelog:
2006-06-26: Updated "Solution" section.
2006-09-08: Added CVE reference.
Original Advisory:
http://retrogod.altervista.org/deluxebb_106_xpl.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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