full-disclosure - [FD] Persistent XSS

Open Source and information security mailing list archives

Date: Sun, 4 Oct 2015 10:19:55 +0200
From: Tim Schughart <t.schughart@...sec-networks.com>
To: fulldisclosure@...lists.org
Subject: [FD] Persistent XSS - Liferay Portal Enterprise Edition

Hey guys,

during a penatrationtest I have found an unknown persistent xss in liferay portal backend.

##################
#General Information#
##################

Manufacture description:
Liferay Portal is an enterprise-web-platform for the development of business solutions, which provides quick results and long-term values.

########
#Details#
########
·         Product: 				 	Liferay Portal Enterprise Edition (6.2 EE SP13)
·         Affected versions :	 		All <= 6.2 EE SP13
·         Type of attack:				Persistent  Cross Site Scripting
·         Proof Of Concept:	 			Yes, 6.2 EE SP13
·         Authentication required:		Yes
·         Reason: 					Missing input validation
·         Impact: 						Injection of malicious  JavaScript code

######
#PoC#
######
You have to be authenticated in the administrator backend.
Here you have to browse to the control center:
- In configuration click on portal settings
- Select authentication
- Select ldap
- select add server
- input following code in server name

Value for ldap server name field:
Name_of_ldap_server<script>alert("XSS")</script>

The script is inserted to the configuration page persistent until the ldap server is deleted from database again.

Best regards / Mit freundlichen Grüßen

Tim Schughart
CEO | IT Security specialist

ProSec Networks
Website: http://www.prosec-networks.com <http://www.prosec-networks.com/>
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