[CVE-2024-33270] Exposure of Private Personal Information to an Unauthorized Actor in FME Modules – Customer File Upload-Attach File on Product,Cart pages module for PrestaShop

PrestaShop Security Advisory

In the module “Customer File Upload-Attach File on Product,Cart pages” (fileuploads) up to version 2.0.3 from FME Modules for PrestaShop, a guest can download personal information without restriction.

Summary

  • CVE ID: CVE-2024-33270
  • Published at: 2024-04-29
  • Platform: PrestaShop
  • Product: fileuploads
  • Impacted release: <= 2.0.3 (2.0.4 fixed the vulnerability)
  • Product author: FME Modules
  • Weakness: CWE-359
  • Severity: medium (7.5), GDPR violation

Description

Due to a lack of permissions control, a guest can download all files uploaded by customers which could be national identity card / contents under NDA, etc.

This exploit uses a PrestaShop front controller and most attackers can conceal the module controller’s path during the exploit, so you will never know within your conventional frontend logs that it exploits this vulnerability. You will only see “POST /” inside your conventional frontend logs. Activating the AuditEngine of mod_security (or similar) is the only way to get data to confirm this exploit.

CVSS base metrics

  • Attack vector: network
  • Attack complexity: low
  • Privilege required: none
  • User interaction: none
  • Scope: unchanged
  • Confidentiality: high
  • Integrity: none
  • Availability: none

Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Possible malicious usage

  • Steal personal data

Timeline

DateAction
2023-09-01Issue discovered during a code review by TouchWeb.fr
2023-09-01Contact PrestaShop Addons security Team to confirm version scope by author
2023-09-04PrestaShop Addons security Team confirms version scope by author
2024-03-14Author provide a patch
2024-04-23Received CVE ID
2024-04-29Publish this security advisory

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