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                                    CERT-Renater

                         Note d'Information No. 2007/VULN339
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DATE                      : 03/08/2007

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Systems running Tomcat versions 3.3 to 3.3.2.

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CVE-2007-3384: XSS in Tomcat cookies example

Severity:
Low (Cross-site scripting)

Vendor:
The Apache Software Foundation

Versions Affected:
3.3 to 3.3.2

Description:
When reporting error messages, Tomcat does not filter user supplied
data before display. This enables an XSS attack.

Mitigation:
Remove examples web application.
Apply patch available from http://tomcat.apache.org/download-33.cgi

Credit:
This issue was discovered by Tomasz Kuczynski, Poznan Supercomputing
and Networking Center, who worked with the CERT/CC to report the
vulnerability.

Example:
http://localhost:8080/examples/servlet/CookieExample
populate Name or Value field with:
<script>alert('XSS reflected');</script>
and submit.

References:
http://tomcat.apache.org/security.html

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           =========================================================
           Les serveurs de référence du CERT-Renater
           http://www.urec.fr/securite
           http://www.cru.fr/securite
           http://www.renater.fr
           =========================================================
           + CERT-RENATER          | tel : 01-53-94-20-44          +
           + 151 bd de l'Hopital   | fax : 01-53-94-20-41          +
           + 75013 Paris           | email: certsvp@renater.fr     +
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