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[webapps / 0day] - MyBB v1.6 Full Path Disclosure Vulnerabil

Posted on 27 October 2010

<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'><html xmlns='http://www.w3.org/1999/xhtml'><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8' /><meta http-equiv='Content-Language' content='en' /><title>MyBB v1.6 Full Path Disclosure Vulnerability | Inj3ct0r - exploit database : vulnerability : 0day : shellcode</title><meta name='description' content='MyBB v1.6 Full Path Disclosure Vulnerability by High-Tech Bridge . in webapps / 0day | Inj3ct0r - exploit database : vulnerability : 0day : shellcode' /><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon' /><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss' /><script type='text/javascript'>var _gaq = _gaq || [];_gaq.push(["_setAccount", "UA-12725838-1"]);_gaq.push(["_trackPageview"]);(function(){var ga = document.createElement("script"); ga.type = "text/javascript"; ga.async = true;ga.src = ("https:" == document.location.protocol ? "https://ssl" : "http://www") + ".google-analytics.com/ga.js";var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(ga, s);})();</script></head><body><pre>============================================ MyBB v1.6 Full Path Disclosure Vulnerability ============================================ 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 &amp; Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the &quot;/forumdisplay.php&quot; script to properly sanitize user-supplied input in mybb[forumread] variable from cookie, it&#039;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; # <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-10-27]</pre></body></html>

 

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