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TITLE:
Vaadin Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA46173

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46173/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46173

RELEASE DATE:
2011-10-31

DISCUSS ADVISORY:
http://secunia.com/advisories/46173/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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http://secunia.com/advisories/46173/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=46173

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http://secunia.com/vulnerability_scanning/personal/
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DESCRIPTION:
Wouter Coekaerts has reported some vulnerabilities in Vaadin, which
can be exploited by malicious people to conduct cross-site scripting,
script insertion, and cross-site request forgery attacks and disclose
potentially sensitive information.

1) Input passed to the
"AbstractApplicationServlet.serveStaticResourcesInVAADIN()" function
(src/com/vaadin/terminal/gwt/server/AbstractApplicationServlet.java)
is not properly verified before being used to serve files. This can
be exploited to e.g. download parts of the application or
configuration files via directory traversal attacks.

2) Certain separator characters can be injected into the
communication protocol, which can be exploited to perform certain
actions via HTTP requests by e.g. tricking a logged-in user into
visiting a specially crafted web page.

Note: This may also be exploited to conduct cross-site scripting
attacks.

3) Certain input passed to exceptions is not properly sanitised
before being returned to the user. This can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected site.

4) Input passed to the "src" attribute of various UI components (e.g.
"VView", "Embedded", "VMenuBar", "VWindow",  "Action", and
"VFilterSelect") is not properly sanitised before being used. This
can be exploited to execute arbitrary HTML and script code in a
user's browser session in context of an affected site when the
malicious data is being viewed.

The vulnerabilities are reported in versions prior to 6.6.7.

SOLUTION:
Update to version 6.6.7.

PROVIDED AND/OR DISCOVERED BY:
Wouter Coekaerts

ORIGINAL ADVISORY:
Wouter Coekaerts:
http://wouter.coekaerts.be/2011/vaadin-vulnerabilities

Vaadin:
http://vaadin.com/download/release/6.6/6.6.7/release-notes.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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