TYPO3-CORE-SA-2017-001: Remote Code Execution in third party library swiftmailer

Categories: TYPO3 CMS Created by Nicole Cordes
It has been discovered, that the third party package swiftmailer/swiftmailer is vulnerable to Remote Code Execution

Component Type: TYPO3 CMS

Release Date: January 3, 2017

Vulnerability Type: Remote Code Execution

Affected Versions: 6.2.0 to 6.2.29, 7.6.0 to 7.6.14 and 8.0.0 to 8.5.0

Severity: Low

Suggested CVSS v2.0: AV:N/AC:L/Au:S/C:N/I:P/A:N/E:F/RL:O/RC:C

CVE: not assigned yet

Problem Description: TYPO3 uses the package swiftmailer/swiftmailer for mail actions. This package is known to be vulnerable to Remote Code Execution.

Solution: Update to TYPO3 versions 6.2.30, 7.6.15 or 8.5.1 that ship an updated package.

Additional Information: The swiftmailer package has deprecated its support for mail()-Transport. To prevent a possible exploit we recommend to configure the TYPO3 MAIL settings to use any other transport method than mail. Further information about the swiftmailer vulnerability can be found at https://legalhackers.com/advisories/SwiftMailer-Exploit-Remote-Code-Exec-CVE-2016-10074-Vuln.html.

General Advice: Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.

General Note: All security related code changes are tagged so that you can easily look them up on our review system.