I. VULNERABILITY

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XSS Reflected vulnerabilities in OS of FortiWeb v 5.0.3

CVE-2013-7181 <http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-7181>


II. BACKGROUND

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Fortinet's industry-leading, Network Security Platforms deliver Next
Generation Firewall (NGFW) security with exceptional throughput, ultra
low latency, and multi-vector threat protection.



III. DESCRIPTION

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Has been detected a XSS Reflected vulnerability in Fortiweb in "
/user/ldap_user/add" parameter "filter" 5.0.3 , that allows the
execution of arbitrary HTML/script code to be executed in the context
of the victim user's browser and/or Session Hijacking attack





IV. PROOF OF CONCEPT

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The application does not validate the parameter filter in "
/user/ldap_user/add".




V. BUSINESS IMPACT

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That allows the execution attackers to hijack the authentication of
administrators.



VI. REQUIREMENTS

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An Attacker needs to know the IP of the device.

An Administrator needs an authenticated connection to the device.



VII. SYSTEMS AFFECTED

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Try FortiWEB VM or appliance v5.0.3





VIII. SOLUTION

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Upgrade to FortiWeb 5.1.0 or higher.


By William Costa