TYPO3-CORE-SA-2015-005: Information Disclosure possibility exploitable by Editors

Categories: TYPO3 CMS Created by Helmut Hummel
It has been discovered, that editors could list all files and folders in the root directory of a TYPO3 installation.

Component Type: TYPO3 CMS

Release Date: July 1, 2015

Vulnerable subcomponent: Filelist Module (ext:filelist, ext:core)

Vulnerability Type: Information Disclosure

Affected Versions: Versions 6.2.0 to 6.2.13, 7.0.0 to 7.3.0

Severity: Low

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

CVE: not assigned yet

Problem Description: It has been discovered, that editors with access to the file list module could list all files names and folder names in the root directory of a TYPO3 installation. Modification of files, listing further nested directories or retrieving file contents was not possible. A valid backend user account is needed to exploit this vulnerability.

Solution: Update to TYPO3 versions 6.2.14 or 7.3.1 that fix the problem described.

Credits: Thanks to Helmut Hummel who discovered and reported the issue.

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.

Document Changes

  • 2020-10-08 by Oliver Hader: changed vulnerable component from "backend" to "filelist", adjusted problem description