Release Date: February 12, 2014
Bulletin update: September 18, 2014 (added CVE)
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: Version 3.5.1 and below
Vulnerability Type: Insecure Unserialize
Severity: High
Suggested CVSS v2.0: AV:N/AC:L/Au:N/C:P/I:P/A:C/E:P/RL:O/RC:C (What's that?)
CVE: CVE-2014-6290
Problem Description: Failing to sanitize user input properly, tt_news is vulnerable to insecure unserialize.
Solution: An updated version 3.5.2 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/download/tt_news/3.5.2/t3x/. Users of the extension are advised to update the extension as soon as possible.
Credits: Credits go to Pascal Jungblut who discovered and reported this issue.
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.