TYPO3-EXT-SA-2014-009: Cross-Site Scripting in news

It has been discovered that the extension "News system" (news) is susceptible to Cross-Site Scripting

Release Date: June 3, 2014

Bulletin update: September 4, 2014 (affected version clarification)

Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.

Affected Versions: version 2.3.0 and below of 2.x.x branch, version 3.0.0 of 3.x.x branch

Vulnerability Type: Cross-Site Scripting

Severity: Medium

Suggested CVSS v2.0: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:H/RL:O/RC:C (What's that?)

Related CVEs: CVE-2011-3642CVE-2013-1464

Problem Description: The extension bundles flash files for video and audio playback. Old versions of FlowPlayer and flashmedia are susceptible to Cross-Site Scripting. No authentication is required to exploit this vulnerability.

Solution: Updated versions 2.3.1 and 3.0.1 are available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/download/news/2.3.1/ and http://typo3.org/extensions/repository/download/news/3.0.1/t3x/. Users of the extension are advised to update the extension as soon as possible.

Credits: Credits go to Markus Pieton and Vytautas Paulikas who discovered and reported the issues.

General advice: Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list to receive future Security Bulletins via E-mail.