Release Date: April 10, 2017
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: version 1.8.0 and below
Vulnerability Type: SQL Injection
Severity: Critical
Suggested CVSS v2.0: AV:N/AC:L/Au:N/C:C/I:P/A:N/E:F/RL:O/RC:C (What's that?)
CVE: not assigned yet
Problem Description: The extension fails to properly sanitize user input and is susceptible to SQL Injection.
Solution: An updated version 1.8.1 is available from the TYPO3 Extension Manager and at https://typo3.org/extensions/repository/download/sf_event_mgt/1.8.1/t3x/. Users of the extension are advised to update the extension as soon as possible.
Credits: Credits go to Torben Hansen who discovered and reported the vulnerability.
Note: In case you extended the controller of the sf_event_mgt extension in your own extensions, be sure to apply the fix there too.
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.