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TYPO3-SA-2010-005: Blind SQL Injection vulnerability in extension Calendar Base (cal)

It has been discovered that the extension Calendar Base (cal) is vulnerable to Blind SQL Injection.

Release Date: March 2, 2010

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

Affected Versions: Version 1.3.1 and all versions below

Vulnerability Type: Blind SQL Injection

Severity: Medium

Problem Description: Failing to filter input from a third party data source (iCalendar) the extension is open to a Blind SQL Injection. The vulnerability allows remote website users to execute arbitrary commands on the TYPO3 database.

Solution: An updated version 1.3.2 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/view/cal/1.3.2/. Users of the extension are advised to update the extension as soon as possible.

Credits: Credits go to Christian Ferbar who discovered and reported the issue.

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.