Juniper IVE Secure Access Cross-Site Scripting

Vulnerability found

12 October 2009

Vendor informed:
12 October 2009

Severity level

Medium/High

Credits

Richard Brain of ProCheckUp Ltd (www.procheckup.com)

Description

There is a Cross-site Scripting vulnerability on Junipers, IVE web interface.

ProCheckUp has found by making a malformed request to the IVE Web interface without authentication, that a vanilla cross site scripting (XSS) attack is possible.

Successfully tested on:
Juniper Networks IVE version 6.5R1 (Build 14599)

Model SA-2000
Proof of concept:
http://target-domain.foo/dana-na/auth/url_default/welcome.cgi?p=logout&c=37&u=</script><script>alert(1)</script>

How to fix

Ensure that the firewall's management interface is disabled on the Internet connected interface, by disabling WeBUI within service
options on the Internet connected interface.

Legal

Copyright 2009 ProCheckUp Ltd. All rights reserved.

Permission is granted for copying and circulating this Bulletin to the Internet community for the purpose of alerting them to
problems, if and only if, the Bulletin is not edited or changed in any way, is attributed to ProCheckUp, and provided such
reproduction and/or distribution is performed for non-commercial purposes.

Any other use of this information is prohibited. ProCheckUp is not liable for any misuse of this information by any third party.