TYPO3-SA-2010-002: Multiple vulnerabilities in extension T3BLOG (t3blog)

It has been discovered that the extension T3BLOG (t3blog) is vulnerable to SQL Injection and Cross–Site Scripting.

Release Date: February 1, 2010

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

Affected Versions: Version 0.6.2 and all versions below

Vulnerability Type: Multiple SQL Injection and Cross–Site Scripting vulnerabilities

Severity: Critical

Problem Description: The TYPO3 extension t3blog fails to sanitize parameters provided by the user through HTML forms. Therefore both SQL Injection and Cross–Site Scripting are possible in Frontend and Backend.

Solution: An updated version 0.8.0 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/view/t3blog/0.8.0/. Users of the extension are advised to update the extension as soon as possible.

Credits: Credits go to TYPO3 Security Team Member Marcus Krause who discovered and reported the issues and to TYPO3 Security Team Member Dmitry Dulepov who fixed the issues.

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