Liferay Portal p_p_id parameter vulnerable to persistent cross-site scripting

Overview

Liferay Portal is vulnerable to persistent cross-site scripting via the p_p_id parameter, which can allow a remote, unauthenticated attacker to execute arbitrary script in the context of the portal administrator.

Description

Liferay Portal is a web portal that can provide Java applets that adhere to the JSR 168 portlet specification. Liferay is available as a free community-supported version and also a commercial enterprise version. Liferay Portal fails to properly sanitize data that is provided by the p_p_id parameter, which can be provided without authentication as part of an HTTP GET request. The provided data is placed into a database, where it can be displayed to an administrator in another page, such as the Plugins Configuration section of the Control Panel. This allows for persistent cross-site scripting (XSS).

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Impact

A remote, unauthenticated attacker may be able to execute arbitrary script in the context of the portal administrator.

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Solution

Apply an update

This issue is addressed in Liferay Portal 5.3.0. Please see Liferay issue LPS-6034 for more details.

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Vendor Information

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Liferay, Inc. __ Affected

Notified: November 13, 2009 Updated: January 05, 2010

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

This issue is addressed in Liferay Portal 5.3.0. Please see Liferay issue LPS-6034 for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23750796 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://issues.liferay.com/browse/LPS-6034&gt;
• <http://jcp.org/en/jsr/detail?id=168&gt;

Acknowledgements

Thanks to Tomasz Kuczynski for reporting this vulnerability.

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2009-3742
Severity Metric:	8.64 Date Public: