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TITLE:
dadaIMC "FilesMatch" File Upload Vulnerability

SECUNIA ADVISORY ID:
SA23305

VERIFY ADVISORY:
http://secunia.com/advisories/23305/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
dadaIMC 0.x
http://secunia.com/product/4139/

DESCRIPTION:
Hagbard Celine has reported a vulnerability in dadaIMC, which can be
exploited by malicious people to compromise vulnerable systems.

The file "[webroot]/.htaccess" contains a "FilesMatch" directive with
a regular expression that configures the web server to treat all
filenames containing the words "feature", "editor", "newswire",
"otherpress", "admin", "pbook", "media" or "mod" as PHP scripts.
Malicious people can upload files with such filenames by posting an
article and attaching an image to it.

Successful exploitation requires that dadaIMC is installed into a
shared environment.

The vulnerability is reported in version .99.3. Other versions may
also be vulnerable.

SOLUTION:
Configure "FilesMatch" in "[webroot]/.htaccess" with a more
restrictive regular expression.

PROVIDED AND/OR DISCOVERED BY:
Hagbard Celine

ORIGINAL ADVISORY:
http://bugs.dadaimc.org/view.php?id=191

OTHER REFERENCES:
http://www.dadaimc.org/mod/documentation/display/4/index.php

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