It has been discovered that the extension "fal_sftp" (fal_sftp) is susceptible to Improper Access Control.
Release Date: October 17, 2014
Bulletin Update: October 18, 2014 (added CVE)
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: 0.2.4, 0.2.5
Vulnerability Type: Improper Access Control
Suggested CVSS v2.0: AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C
Problem Description: Configured permissions of newly created files and folders for the sFTP driver are set incorrectly.
Solution: Updated version 0.2.6 is available from the TYPO3 extension manager and at <http://typo3.org/extensions/repository/download/fal_sftp/0.2.6/t3x/>. Please check your existing setup and fix permission if needed! Users of the extension are advised to update the extension as soon as possible.
Credits: Credits go to Jost Baron who discovered and reported the issue.