Liferay Portal 6.2 EE SP13 Cross Site Scripting

`Hey guys,  
  
during a penatrationtest I have found an unknown persistent xss in liferay portal backend.  
  
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#General Information#  
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Manufacture description:  
Liferay Portal is an enterprise-web-platform for the development of business solutions, which provides quick results and long-term values.  
  
  
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#Details#  
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· 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  
  
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#PoC#  
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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/>  
E-Mail: [email protected] <mailto:[email protected]>  
Phone: +49(0) 2621 9469 252  
  
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`