[SA20438] BlueShoes Framework Multiple File Inclusion Vulnerabilities

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TITLE:
BlueShoes Framework Multiple File Inclusion Vulnerabilities

SECUNIA ADVISORY ID:
SA20438

VERIFY ADVISORY:
http://secunia.com/advisories/20438/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
BlueShoes Framework 4.x
http://secunia.com/product/10324/

DESCRIPTION:
Kacper has reported some vulnerabilities in BlueShoes Framework,
which can be exploited by malicious people to compromise a vulnerable
system.

Input passed to the "APP[path][applications]" parameter in
applications/faq/Bs_Faq.class.php, to the "APP[path][plugins]" in
applications/websearchengine/Bs_Wse_Profile.class.php, and to the
"APP[path][core]" in multiple files is not properly verified before
being used to include files. This can be exploited to execute
arbitrary PHP code by including files from local or external
resources.

Files affected by the "APP[path][core]" parameter:
applications/filebrowser/fileBrowserInner.php
applications/filemanager/file.php
applications/filemanager/viewer.php
applications/imagearchive/Bs_ImageArchive.class.php
applications/mailinglist/Bs_Ml_User.class.php

Successful exploitation requires that "register_global" is enabled
and that the framework is installed under the web root directory.

The vulnerabilities have been reported in version 4.5 and 4.6. Other
versions may also be affected.

SOLUTION:
Install the framework outside the web root directory.

Edit the source code to ensure that input is properly verified.

PROVIDED AND/OR DISCOVERED BY:
Kacper

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/1870

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