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Category:   Device (Encryption/VPN)  >   Pulse Connect Secure (formerly Juniper Pulse Secure) Vendors:   Juniper
Juniper Junos Pulse Secure Access Service (SSL VPN) Input Validation Flaw Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1030852
SecurityTracker URL:  http://securitytracker.com/id/1030852
CVE Reference:   CVE-2014-3820   (Links to External Site)
Date:  Sep 16 2014
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): IVE OS 7.1, 7.4, 8.0
Description:   A vulnerability was reported in Juniper Junos Pulse Secure Access Service (SSL VPN). A remote user can conduct cross-site scripting attacks.

The Junos Pulse SSL VPN/UAC web server does not properly filter HTML code from user-supplied input before displaying the input. A remote user can create a specially crafted URL that, when loaded by a target authenticated administrative user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the Junos Pulse interface and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

UAC versions 41, 4.4, and 5.0 are also affected.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the Junos Pulse web interface, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   The vendor has issued a fix (IVE OS 7.1r16, 7.4r3, 8.0r1).

The vendor's advisory is available at:

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10645

Vendor URL:  kb.juniper.net/InfoCenter/index?page=content&id=JSA10645 (Links to External Site)
Cause:   Input validation error

Message History:   None.


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