Microsoft SharePoint Server 2007 XSS Vulnerability
Posted on 29 April 2010
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'><html><head><meta http-equiv='Content-Type' content='text/html; charset=windows-1251'><title>Microsoft SharePoint Server 2007 XSS Vulnerability</title><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss'></head><body><pre>================================================== Microsoft SharePoint Server 2007 XSS Vulnerability ================================================== Product: Microsoft SharePoint Server 2007 Vendor: Microsoft Corporation Vulnerable Version: 12.0.0.6421 and Probably Prior Versions Vendor Notification: 12 April 2010 Vulnerability Type: XSS (&#1057;ross Site S&#1089;ri&#1088;ting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "/_layouts/help.aspx" script to properly sanitize user-supplied input in "cid0" 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: http://host/_layouts/help.aspx?cid0=MS.WSS.manifest.xml%00%3Cscript%3Ealert%28%27XSS%27%29%3C/script%3E&tid=X # <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-04-29]</pre><script type='text/javascript'>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));</script><script type='text/javascript'>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>
