Mailing List Archive

WatchGuard Fireware XTM devices contain a cross-site scripting vulnerability (CVE-2014-0338)
I. VULNERABILITY

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Reflected XSS Attacks vulnerabilities in WatchGuard XTM 11.8




II. BACKGROUND

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WatchGuard builds affordable, all-in-one network and content security
solutions to provide defense in depth for corporate content, networks and
the businesses they power.

III. DESCRIPTION

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Has been detected a Reflected XSS vulnerability in XTM WatchGuard.

The code injection is done through the parameter "poll_name" in the
page "/firewall/policy?pol_name=(HERE XSS)"



IV. PROOF OF CONCEPT

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The application does not validate the parameter "poll_name" correctly.

https://10.200.210.100:8080/firewall/policy?pol_name=qqq"><body
onload=alert(document.cookie)>&service=Any&is_new=1



V. BUSINESS IMPACT

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An attacker can execute arbitrary HTML or script code in a targeted

user's browser, that allows the execution of arbitrary HTML/script
code to be executed in the context of the victim user's browser
allowing Cookie Theft/Session Hijacking, thus enabling full access the
box.



VI. SYSTEMS AFFECTED

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Tested WatchGuard XTM Version: 11.8 (Build 432340)





VII. SOLUTION
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All data received by the application and can be modified by the user,

before making any kind of transaction with them must be validated


VIII. References
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http://www.kb.cert.org/vuls/id/807134
http://watchguardsecuritycenter.com/2014/03/13/fireware-xtm-11-8-3-update-corrects-xss-flaw/


By William Costa

william.costa@gmail.com