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Insecure Direct Object References in Gallery

Platform: ownCloud Server

Versions: 8.2.6, 9.0.3,

Date: 7/13/2016

Risk level: Medium

CVSS v2 Base Score: 5 (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CWE: Insecure Direct Object References (CWE-932)


ownCloud was vulnerable to a insecure direct object reference. Any unauthenticated user would be able to download any image from the server if the gallery app is enabled.

Affected Software

Action Taken

The share token is verified.


The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:

  • Lukas Reschke – Vulnerability discovery and disclosure.

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