Cart Engine 3.0.0 Remote Code Execution

Title: Cart Engine 3.0.0 Remote Code Execution
Advisory ID: ZSL-2014-5182
Type: Local/Remote
Impact: System Access
Risk: (4/5)
Release Date: 25.03.2014
Summary
Open your own online shop today with Cart Engine! The small, yet powerful and don't forget, FREE shopping cart based on PHP & MySQL. Unique features of Cart Engine include: CMS engine based on our qEngine, product options, custom fields, digital products, search engine friendly URL, user friendly administration control panel, easy to use custom fields, module expandable, sub products, unsurpassed flexibility...and more!
Description
Cart Engine suffers from an authenticated arbitrary code execution. The vulnerability is caused due to the improper verification of uploaded files in several modules thru several POST parameters. This can be exploited to execute arbitrary PHP code by uploading a malicious PHP script file that will be stored in '/public/image' directory.
Vendor
C97net - http://www.c97.net
Affected Version
3.0.0
Tested On
Apache/2.4.7 (Win32)
PHP/5.5.6
MySQL 5.6.14
Vendor Status
[07.03.2014] Vulnerability discovered.
[10.03.2014] Vendor contacted.
[11.03.2014] Vendor responds asking more details.
[11.03.2014] Sent details to the vendor.
[12.03.2014] Working with the vendor.
[13.03.2014] Vendor working on a new version.
[21.03.2014] Asked vendor for status update.
[21.03.2014] Vendor promises patch release in April.
[25.03.2014] Public security advisory released.
PoC
cartengine_rce.txt
Credits
Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>
References
[1] http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5178.php
[2] http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5174.php
[3] http://packetstormsecurity.com/files/125879
[4] http://www.exploit-db.com/exploits/32503
[5] http://cxsecurity.com/issue/WLB-2014030204
[6] http://osvdb.org/show/osvdb/104975
[7] http://osvdb.org/show/osvdb/104976
[8] http://osvdb.org/show/osvdb/104977
[9] http://osvdb.org/show/osvdb/104978
[10] http://osvdb.org/show/osvdb/104979
[11] http://www.c97.net/news/security-issues-with-qengine-family.php
[12] https://secunia.com/advisories/57557
Changelog
[25.03.2014] - Initial release
[26.03.2014] - Added reference [3], [4] and [5]
[27.03.2014] - Added reference [6], [7], [8], [9], [10] and [11]
[14.04.2014] - Added reference [12]
Contact
Zero Science Lab

Web: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk