1. 14 Jun, 2022 1 commit
    • Torben Hansen's avatar
      [SECURITY] Restrict export functionality to allowed users · 7447a3d1
      Torben Hansen authored and Oliver Hader's avatar Oliver Hader committed
      The import functionality of the import/export module is already
      restricted to admin users or users, who explicitly have access through
      the user TSConfig setting "options.impexp.enableImportForNonAdminUser".
      
      The export functionality has the following security drawbacks:
      
      * Export for editors is not limited on field level
      * The "Save to filename" functionality saves to a shared folder, which
        other editors with different access rights may have access to.
      
      Both issues are not easy to resolve and also the target audience for
      the Import/Export functionality are mainly TYPO3 admins.
      
      Therefore, now also the export functionality is restricted to TYPO3
      admin users and to users, who explicitly have access through the new
      user TSConfig setting "options.impexp.enableExportForNonAdminUser".
      
      Additionally, the contents of the temporary "importexport" folder in
      file storages is now only visible to users who have access to the
      export functionality.
      
      In general, it is recommended to only install the Import/Export
      extension when the functionality is required.
      
      Resolves: #94951
      Releases: main, 11.5, 10.4
      Change-Id: Iae020baf051aeec0613366687aa8ebcbf9b3d8b2
      Security-Bulletin: TYPO3-CORE-SA-2022-001
      Security-References: CVE-2022-31046
      Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/74902
      
      
      Tested-by: Oliver Hader's avatarOliver Hader <oliver.hader@typo3.org>
      Reviewed-by: Oliver Hader's avatarOliver Hader <oliver.hader@typo3.org>
      7447a3d1
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