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Shareinfo url doesn’t verify file drop permissions

Aug 2, 2021

  • Risk: low
  • CVSS v3 Base Score: 4.3
  • CVSS v3 Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • CWE ID: CWE-424
  • CWE Name: Improper Protection of Alternate Path
  • CVE: CVE-2021-35949

Description

The permission check for a file drop (upload only share) could be circumvented by using the shareinfo API. This allowed to see from the files in the filedrop but didn’t allow downloads.

Affected

  • core < 10.8.0

Action taken

Properly check the permissions