[TYPO3-announce] URGENT: Critical vulnerability in TYPO3 CMS has been found and fixed

[TYPO3 Security Team]

Dear TYPO3 users!

It has been discovered that TYPO3 CMS has a missing access check, which makes it vulnerable to Remote Code Execution and Information Disclosure.

For details on the issue please read the accordant advisory:


TYPO3-CORE-SA-2016-013: Missing Access Check in TYPO3 CMS
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-013/


The advisory contains detailed instructions how to patch installations and which versions have been released containing a fix.


In general the TYPO3 Security Team recommends to read the following pages:

The TYPO3 Security Guide:
https://docs.typo3.org/typo3cms/SecurityGuide/

Make sure you are subscribed to the TYPO3 Announce List:
http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce

See all TYPO3 security advisories:
https://typo3.org/teams/security/security-bulletins/



Regards,

Helmut Hummel
Member of the TYPO3 Security Team

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TYPO3 Security Team homepage: https://typo3.org/teams/security/

E-Mail: security at typo3.org