Document Title: =============== Car Portal CMS v3.0 - Multiple Web Vulnerabilities References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=502 Release Date: ============= 2012-04-23 Vulnerability Laboratory ID (VL-ID): ==================================== 502 Product & Service Introduction: =============================== Car Portal is a php software product for running auto classifieds websites. It provides functionality for the private sellers to sign up, list their car for sale and make changes in their ads online using the private sellers administration space. The product provides special functionality for the dealers to work and manage multiple ads. An affiliate functionality is also included, affiliate partners may sign up and earn commissions on all the sales done through their links. The product comes with a powerful admin panel for the administrators, allowing them not only to manage the cars portal settings, the dealers, affiliates etc. but also providing full control over the website, its structure and content, also statistics, search engines functionality and others. (Copy of the Vendor Homepage: http://www.dream-autos.com/ ) Abstract Advisory Information: ============================== The Vulnerability Laboratory Research Team discovered multiple Web Vulnerabilities in the Car Portal v3.0 web application. Vulnerability Disclosure Timeline: ================================== 2012-04-24: Public or Non-Public Disclosure Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ 1.1 Multiple persistent input validation vulnerabilities are detected in the car portal v3.0 web application. The bugs allow remote attackers to implement/inject malicious script code on the application-side (persistent). Successful exploitation of the vulnerability can lead to session hijacking (manager/admin) or stable (persistent) context manipulation. Exploitation requires low user inter action. Vulnerable Module(s): [+] Post a new vehicle - PWRS & Description field [+] Create News - News title [+] Create a sub user - Name [+] Create new user group - group Name [+] Change profile - Dealer name &First Name & Last Name 1.2 Multiple cross site request forgery vulnerabilities are detected in the car portal v3.0 web application. The bugs allow remote attackers to enforce the user (admin) to change user`s password, Create a user, sub user, or change profile information Successful exploitation of the vulnerability can lead to creating a new admin account or changing user`s password. Vulnerable Module(s): [+] cars/ADMIN/index.php?category=security&action=nouveau [+] USERS/index.php?category=profile&action=edit [+] USERS/index.php?category=home&action=sub_accounts 1.3 Arbitrary file upload allows the attacker to upload files that differs than images. The attacker can upload the file by changing its name from file.php to file.php%00.php. After the uploading the file .jpg of the file will be truncated and the file will save on the sever as file.php. Successful exploitation can result in malware or malicious web shell upload which results in a system comrpomise at the end. Proof of Concept (PoC): ======================= The vulnerabilities can be exploited by remote attackers with required low & high required user inter action. For demonstration or reproduce ... 1.1 The issue can be exploited by creating news, new sub user, or new group with script code as value. The result is the persistent execution out of the web application context. Strings: >"< ... or >"

1.3 The attacker can exploit this vulnerability by uploading the file with name file.php%00.jpg instead of file.php Security Risk: ============== 1.1 The security risk of the persistent input validation vulnerability is estimated as medium(+). 1.2 The security risk of the cross site request forgery vulnerability is estimated as low. 1.3 The security risk of the arbitrary file upload vulnerability is estimated as medium(+). Credits & Authors: ================== Vulnerability Laboratory Research Team - the_storm (strom@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

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