PR09-17: Juniper Secure Access series (Juniper IVE) authenticated XSS &
Vulnerability found: 12th October 2009
Vendor informed: 12 October 2009
Severity: Medium (Script injection)
There are multiple authenticated Cross-site Scripting vulnerability on
Junipers, IVE web interface.
Procheckup has found by making a malformed authenticated request to the
IVE Web interface, that vanilla cross site scripting (XSS) attacks are
Successfully tested on:
Juniper Networks IVE
version 6.5R1 (Build 14599)
version 6.5R2 (Build 14951)
Proof of concepts:
1) The configuration program is vulnerable to a GET cookie XSS attack
GET /dana/nc/ncrun.cgi?launch_nc=1 HTTP/1.1
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)
Cookie: DSPREAUTH=; DSFirstAccess=1255332662; DSHCSTARTED=x;
DSASSERTREF=x; DSLastAccess=1255332662; lastRealm=Users;
DSSIGNIN=url_default; DSOSMLOGIN=x; DSIVS=; DSCheckBrowser=x;
RESULTS (PART OF)
An attacker may be able to cause execution of malicious scripting code
in the browser of a user who clicks on a link or visits a malicious
webpage. The malicious code would run in the security context of the
This type of attack can result in non-persistent defacement of the
target site, or the redirection of confidential information (i.e.:
passwords or session IDs) to unauthorised third parties.
Update to version 6.5R3.1 (build 15255) or a later version.
Credits: Richard Brain of ProCheckUp Ltd (www.procheckup.com)
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