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Multiple directory traversals


Versions: 4.0.15, 4.5.11, 5.0.6,

Date: 5/14/2013

Risk level: High


Multiple directory traversal vulnerabilities in (1) apps/files_trashbin/index.php via the “dir” GET parameter and (2) lib/files/view.php via undefined vectors in all ownCloud versions prior to 5.0.6 and other versions before 4.0.15, allow authenticated remote attackers to get access to arbitrary local files.

Affected Software

  • ownCloud Server < 5.0.6 (CVE-2013-2039, CVE-2013-2085)
  • ownCloud Server < 4.5.11 (CVE-2013-2039)
  • ownCloud Server < 4.0.15 (CVE-2013-2039)

Action Taken

It is recommended that all instances are upgraded to ownCloud Server 5.0.6, 4.5.11 or 4.0.15.


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

  • Mateusz Goik – AliantSoft – Vulnerability discovery and disclosure.

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