what you don't know can hurt you

Joomla 2.5.4 Cross Site Scripting

Joomla 2.5.4 Cross Site Scripting
Posted May 3, 2012
Authored by Janek Vind aka waraxe | Site waraxe.us

Joomla version 2.5.4 suffers from a cross site scripting vulnerability in the administrative sysinfo page.

tags | exploit, xss
advisories | CVE-2012-2412
MD5 | 17a3b6890babbd1c67d14005a7cd4e11

Joomla 2.5.4 Cross Site Scripting

Change Mirror Download

[waraxe-2012-SA#088] - Reflected XSS in Joomla 2.5.4 admin sysinfo page
===============================================================================

Author: Janek Vind "waraxe"
Date: 03. May 2012
Location: Estonia, Tartu
Web: http://www.waraxe.us/advisory-88.html
CVE: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2412

Description of vulnerable software:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Joomla is one of the world's most popular open source CMS (content management
system). With millions of websites running on Joomla, the software is used by
individuals, small & medium-sized businesses, and large organizations worldwide
to easily create & build a variety of websites & web-enabled applications.


Vulnerable versions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Affected is Joomla version 2.5.4, older versions may be vulnerable as well.

###############################################################################
1. Reflected XSS in Joomla 2.5.4 admin sysinfo page
###############################################################################

CVE Information:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2012-2412 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
security problems.

Vulnerability Details:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Reason: outputting html data without proper encoding
Attack vector: user-provided User-Agent string
Preconditions:
1. target victim must be logged in as admin
Result: XSS attack possibilities


Source code snippet from "sysinfo.php":
-----------------[ source code start ]---------------------------------
function &getInfo()
{
..
$this->info['useragent'] = $_SERVER['HTTP_USER_AGENT'];
-----------------[ source code end ]-----------------------------------


Source code snippet from "default_system.php":
-----------------[ source code start ]---------------------------------
<td>
<?php echo $this->info['useragent'];?>
</td>
-----------------[ source code end ]-----------------------------------

As seen above, user-provided User-Agent string is used for outputting html.
No data sanitization, which indicates Reflected XSS vulnerability issue.


Disclosure Timeline:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

20.04.2012 Developers contacted via email, no response
24.04.2012 CVE identifier request
25.04.2012 Got CVE identifier
26.04.2012 Second attempt contacting developers via email, no response
03.05.2012 Advisory published


Contact:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

come2waraxe@yahoo.com
Janek Vind "waraxe"

Waraxe forum: http://www.waraxe.us/forums.html
Personal homepage: http://www.janekvind.com/
Random project: http://albumnow.com/
---------------------------------- [ EOF ] ------------------------------------

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

June 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jun 1st
    1 Files
  • 2
    Jun 2nd
    2 Files
  • 3
    Jun 3rd
    19 Files
  • 4
    Jun 4th
    21 Files
  • 5
    Jun 5th
    15 Files
  • 6
    Jun 6th
    12 Files
  • 7
    Jun 7th
    11 Files
  • 8
    Jun 8th
    1 Files
  • 9
    Jun 9th
    1 Files
  • 10
    Jun 10th
    15 Files
  • 11
    Jun 11th
    15 Files
  • 12
    Jun 12th
    15 Files
  • 13
    Jun 13th
    8 Files
  • 14
    Jun 14th
    16 Files
  • 15
    Jun 15th
    2 Files
  • 16
    Jun 16th
    1 Files
  • 17
    Jun 17th
    18 Files
  • 18
    Jun 18th
    0 Files
  • 19
    Jun 19th
    0 Files
  • 20
    Jun 20th
    0 Files
  • 21
    Jun 21st
    0 Files
  • 22
    Jun 22nd
    0 Files
  • 23
    Jun 23rd
    0 Files
  • 24
    Jun 24th
    0 Files
  • 25
    Jun 25th
    0 Files
  • 26
    Jun 26th
    0 Files
  • 27
    Jun 27th
    0 Files
  • 28
    Jun 28th
    0 Files
  • 29
    Jun 29th
    0 Files
  • 30
    Jun 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close