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Forescout NAC 6.3.4.1 XSS / Redirection / Filter

Forescout NAC 6.3.4.1 XSS / Redirection / Filter
Posted Nov 27, 2012
Authored by Joseph Sheridan | Site reactionpenetrationtesting.co.uk

Forescout NAC (Network Access Control) version 6.3.4.1 suffers from ICMP and ARP protocols not being filtered, cross site scripting, and cross site redirection vulnerabilities.

tags | exploit, vulnerability, protocol, xss
advisories | CVE-2012-4985, CVE-2012-4982, CVE-2012-4983
SHA-256 | 90ab742926bd9cb0fc57e37ec8e11486dca2cd8c598556ffb9050f73ff6d40b3

Forescout NAC 6.3.4.1 XSS / Redirection / Filter

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Forescout NAC (Network Access Control) multiple vulnerabilities:



Forescout NAC 6.3.4.1 Cross-Site Redirection Vulnerability (CVE-2012-4982)

The Forescout NAC device is vulnerable to cross-site redirection and could be used to redirect a targetted victim to a malicious site. The 'a' parameter is vulnerable on the 'login' page. See below for details:

http://(NACIP)/assets/login?a=http://www.evil.com

Forescout NAC 6.3.4.1 Cross-Site Scripting Vulnerability (CVE-2012-4983)

The Forescout NAC device is vulnerable to two cross-site scripting issues and could be used to redirect a targetted victim to a malicious site or gain access to the NAC admin console. The 'a' parameter is vulnerable on the 'login' page and the search page 'rangesearch' is vulnerable to authenticated users. See below for details:

Login page:
http://(NACIP)/assets/login?a=asdf" onload="alert(123)">

Search field (needs authenticated user):
http://(NACIP)/assets/rangesearch?fromIndex=0&query=asdf" onclick="alert(123)"&main_selection=all


Forescout NAC ICMP and ARP Protocols Not Filtered Vulnerability Advisory (CVE-2012-4985)

Forescout NAC (Network Access Control) device is vulnerable to ICMP and ARP protocol filter bypass. The NAC does not filter traffic from unknown clients over these protocols. An attacker with an unauthorised device can engage ARP poisoning attacks and potentially gain access to cleartext login credentials traversing the network (where cleartext protocols are employed). The attacker could then use these credentials via an authorised terminal/workstation to gain full access to the network.

http://www.reactionpenetrationtesting.co.uk/forescout-cross-site-redirection.html
http://www.reactionpenetrationtesting.co.uk/forescout-nac-xss.html
http://www.reactionpenetrationtesting.co.uk/forescout-nac-icmp-arp.html




Best regards,

Joe

Joseph Sheridan
Director
CHECK Team Leader, CREST Infrastructure, CREST Application, CISSP
Tel: 07812052515
Web: www.reactionis.co.uk
Email: joe@reactionis.co.uk

Reaction Information Security Limited.
Registered in England No: 6929383
Registered Office: 1, The Mews, 69 New Dover Road, Canterbury, CT1 3DZ

This email and any files transmitted with it are confidential and are intended solely for the use of the individual to whom they are addressed. If you are not the intended recipient please notify the sender. Any unauthorised dissemination or copying of this email or its attachments and any use or disclosure of any information contained in them, is strictly prohibited.

 Please consider the environment before printing this email



Joseph Sheridan
Director
CHECK Team Leader, CREST Infrastructure, CREST Application, CISSP
Tel: 07812052515
Web: www.reactionis.co.uk
Email: joe@reactionis.co.uk

Reaction Information Security Limited.
Registered in England No: 6929383
Registered Office: 1, The Mews, 69 New Dover Road, Canterbury, CT1 3DZ

This email and any files transmitted with it are confidential and are intended solely for the use of the individual to whom they are addressed. If you are not the intended recipient please notify the sender. Any unauthorised dissemination or copying of this email or its attachments and any use or disclosure of any information contained in them, is strictly prohibited.

 Please consider the environment before printing this email


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