Document Title: =============== Microsoft Fitbie Service - Multiple Cross Site Vulnerabilities References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=573 Release Date: ============= 2012-06-16 Vulnerability Laboratory ID (VL-ID): ==================================== 573 Common Vulnerability Scoring System: ==================================== 2.3 Product & Service Introduction: =============================== Official Microsoft (msn) Fitbie service web application. URL: http://fitbie.msn.com/ Abstract Advisory Information: ============================== The Vulnerability Laboratory Research team discovered multiple client side Web Vulnerabilities in Microsofts Fitbie web application service. Vulnerability Disclosure Timeline: ================================== 2012-05-13: Researcher Notification & Coordination 2012-05-15: Vendor Notification 2012-05-16: Vendor Response/Feedback 2012-06-15: Vendor Fix/Patch 2012-06-17: Public or Non-Public Disclosure Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Low Technical Details & Description: ================================ Multiple non-persistent cross site scripting vulnerabilities are detected in Microsofts Fitbie web service application. The vulnerability allows remote attackers to hijack website customer, moderator & admin sessions with medium or high required user inter action or local low privileged user account and low user inter action. Successful exploitation can result in account steal, phishing & client-side content request manipulation. Exploitation requires low user inter action. The first vulnerability is located in the newsletter module with the vulnerable bound parameters mail & callback. The second vulnerability is located in the destination module with the vulnerable bound parameters memvers profile name. Vulnerable Module(s): [+] Newsletter - Mail & Callback [+] Destination - Member Profile Proof of Concept (PoC): ======================= The validation vulnerabilities can be exploited by remote attackers with medium required user inter action. For demonstration or reproduce ... Review: EMail
PoC: https://mc.fitbie.msn.com/newsletter/thankyou?callback=%22[CLIENT SIDE SCRIPT CODE EXECUTION]%3C&email=test@test.com ... or https://mc.fitbie.msn.com/newsletter/thankyou?callback=TEST%3C&email=%22[CLIENT SIDE SCRIPT CODE EXECUTION]+%3C ... & Note: The last issue is maybe also located in the profile user listing. Need to be checked be authorized persons. https://fitbie.msn.com/register/thankyou?destination="[CLIENT SIDE SCRIPT CODE EXECUTION]+%3C after first inject Solution - Fix & Patch: ======================= The vulnerability can be patched by parsing the input of the callback and email value. It is also important to patch the location where the context is getting executed (output website). Security Risk: ============== The security risk of the client side cross site vulnerabilities are low(+)|medium(-). Credits & Authors: ================== Vulnerability Laboratory [Research Team] - Ibrahim El-Sayed [the storm] (storm@vulnerability-lab.com) 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. Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.vulnerability-lab.com/register Contact: admin@vulnerability-lab.com - support@vulnerability-lab.com - research@vulnerability-lab.com Section: video.vulnerability-lab.com - forum.vulnerability-lab.com - news.vulnerability-lab.com Social: twitter.com/#!/vuln_lab - facebook.com/VulnerabilityLab - youtube.com/user/vulnerability0lab Feeds: vulnerability-lab.com/rss/rss.php - vulnerability-lab.com/rss/rss_upcoming.php - vulnerability-lab.com/rss/rss_news.php Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other media, are reserved by Vulnerability-Lab Research Team or its suppliers. All pictures, texts, advisories, sourcecode, videos and other information on this website is trademark of vulnerability-lab team & the specific authors or managers. To record, list (feed), modify, use or edit our material contact (admin@vulnerability-lab.com or support@vulnerability-lab.com) to get a permission. Copyright © 2012 | Vulnerability Laboratory