PR10-15: Multiple XSS flaws within Mitel's AWC (Mitel Audio and Web Conferencing) Vulnerability found: 21st July 2010 Vendor informed: 26th July 2010 Vulnerability fixed: Severity: High Description: Mitel Audio and Web Conferencing (AWC) are a simple, cost-effective and scalable audio and web conferencing solution supporting up to 200 ports. ProCheckUp has discovered that multiple Mitel Audio and Web Conferencing pages are vulnerable to reflective XSS attacks. Version: 4.4.3.0 - http://www.mitel.com/DocController?documentId=26451 1) The following demonstrate the reflective XSS flaws https://target-domain.foo/wd/wdinvite.asp?SID='> https://target-domain.foo/wd/connect.asp?mode=joinmeeting&uid='>&sid='> https://target-domain.foo/wd/applets/Error.asp?type= Consequences: An attacker may be able to cause execution of malicious scripting code in the browser of a user who clicks on a link to Mitel Audio and Web Conferencing based site. Such code would run within the security context of the target domain. This type of attack can result in non-persistent defacement of the target site, or the redirection of confidential information (i.e.: session IDs) to unauthorised third parties. Fix: . References: http://www.procheckup.com/Vulnerabilities.php Credits: Richard Brain of ProCheckUp Ltd (www.procheckup.com) Legal: Copyright 2010 Procheckup Ltd. All rights reserved. Permission is granted for copying and circulating this Bulletin to the Internet community for the purpose of alerting them to problems, if and only if, the Bulletin is not edited or changed in any way, is attributed to ProCheckUp, and provided such reproduction and/or distribution is performed for non-commercial purposes.