LibrettoCMS 2.2.2 - Arbitrary File Upload

                                                # Exploit Title   : LibrettoCMS 2.2.2 Malicious File Upload
# Date            : 14 June 2013
# Exploit Author  : CWH Underground
# Site            : www.2600.in.th
# Vendor Homepage : http://libretto.artwebonline.com/
# Software Link   : http://jaist.dl.sourceforge.net/project/librettocms/librettoCMS_v.2.2.2.zip
# Version         : 2.2.2
# Tested on       : Window and Linux
 
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  | |||||||||   `--------'     |          O .. CWH Underground Hacking Team ..
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DESCRIPTION
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LibrettoCMS is provided a file upload function to unauthenticated users. Allows for write/read/edit/delete download arbitrary file uploaded , which results attacker might arbitrary write/read/edit/delete files and folders.

LibrettoCMS use pgrfilemanager and restrict file type for upload only doc and pdf but able to rename filetype after uploaded lead attacker to rename *.doc to *.php and arbitrary execute PHP shell on webserver.
 
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EXPLOIT POC
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1. Access http://target/librettoCMS/adm/ui/js/ckeditor/plugins/pgrfilemanager/PGRFileManager.php 
2. Upload PHP Shell with *.doc format (shell.doc) to PGRFileManager
3. Rename file from shell.doc to shell.php
4. Your renamed file will disappear !!
5. For access shell, http://target/librettoCMS/userfiles/shell.php
6. Server Compromised !!
 
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 Greetz      : ZeQ3uL, JabAv0C, p3lo, Sh0ck, BAD $ectors, Snapter, Conan, Win7dos, Gdiupo, GnuKDE, JK, Retool2
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