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CVE-2016-15017: Ecodev Media Upload: Improper Limitation of a Pathname to a Restricted Directory

CVE-2016-15017 is rated critical with a CVSS v3.1 base score of 9.8 and affects Ecodev Media Upload. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

A vulnerability has been found in fabarea media_upload on TYPO3 and classified as critical. This vulnerability affects the function getUploadedFileList of the file Classes/Service/UploadFileService.php. The manipulation leads to pathname traversal. Upgrading to version 0.9.0 is able to address this issue. The patch is identified as b25d42a4981072321c1a363311d8ea2a4ac8763a. It is recommended to upgrade the affected component. VDB-217786 is the identifier assigned to this vulnerability.

Severity breakdown

CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-22: Improper Limitation of a Pathname to a Restricted Directory

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Affected products

  • Ecodev Media Upload: before 0.9.0

References