MyBB 1.6 – Full Path Disclosure
Vulnerability ID: HTB22654 Reference: http://www.htbridge.ch/advisory/path_disclosure_in_mybb.html Product: MyBB Vendor: MyBB ( http://www.mybb.com ) Vulnerable Version: 1.6 Vendor Notification: 13 October 2010 Vulnerability Type: Path disclosure Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response 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 "/forumdisplay.php" script to properly sanitize user-supplied input in mybb[forumread] variable from cookie, it's possible to generate an error that will reveal the full path of the script. A remote user can determine the full path to the web root directory and other potentially sensitive information. Cookie: mybb[forumread]=%4f%3a%31%3a%22%31%22%3a%31%3a%7b%73%3a%31%3a%22%31%22%3b%61%3a%32%3a%7b%69%3a%30%3b%73%3a%31%3a%22%31%22%3b%69%3a%31%3b%73%3a%31%3a%22%32%22%3b%7d%7d; |