# 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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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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