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TITLE:
Liferay Portal Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA28742

VERIFY ADVISORY:
http://secunia.com/advisories/28742/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting, Spoofing

WHERE:
>From remote

SOFTWARE:
Liferay Portal 4.x
http://secunia.com/product/16577/

DESCRIPTION:
Tomasz Kuczynski has reported some vulnerabilities in Liferay Portal,
which can be exploited by malicious people to conduct cross-site
request forgery and phishing attacks, and by malicious users to
conduct script insertion attacks.

1) Input passed to the shutdown message is not properly sanitised
before being stored. This can be exploited to execute arbitrary HTML
and script code in a user's browser session in context of an affected
site at server shutdown.

2) Input passed via the user profile "Greeting" parameter is not
properly sanitised before being stored. This can be exploited to
execute arbitrary HTML and script code in a user's browser session
when a user logs in.   

3) Input passed via the HTTP User-Agent header is not properly
sanitised before being stored. This can be exploited to execute
arbitrary HTML and script code in an administrators browser session
in context of an affected site when information about the currently
open sessions is being viewed.

Successful exploitation of the vulnerabilities requires valid user
credentials.

4) The vulnerability is caused due to an error within the "Forgot
Password" feature when sending emails. This can be exploited to
inject content into emails sent by the application via the User-Agent
HTTP header.  

Successful exploitation requires knowledge of a valid email address
registered with the application.

5) The vulnerability is caused due to the application allowing users
to perform certain actions via HTTP requests without performing any
validity checks to verify the request. This can be exploited to
perform restricted actions by enticing a logged-in administrator to
visit a malicious site.

The vulnerabilities are reported in versions prior to 4.4.0.

SOLUTION:
Update to version 4.4.0. Some vulnerabilities are also fixed in
version 4.3.7 (see vendor links for further details).

PROVIDED AND/OR DISCOVERED BY:
US-CERT credits Tomasz Kuczynski.

ORIGINAL ADVISORY:
1, 5) http://support.liferay.com/browse/LEP-4739
2) http://support.liferay.com/browse/LEP-4738
3) http://support.liferay.com/browse/LEP-4736
4) http://support.liferay.com/browse/LEP-4737

OTHER REFERENCES:
US-CERT VU#217825:
http://www.kb.cert.org/vuls/id/217825

US-CERT VU#767825:
http://www.kb.cert.org/vuls/id/767825

US-CERT VU#326065:
http://www.kb.cert.org/vuls/id/326065

US-CERT VU#888209:
http://www.kb.cert.org/vuls/id/888209

US-CERT VU#732449:
http://www.kb.cert.org/vuls/id/732449

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
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