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Incomplete blacklist vulnerability

Platform: ownCloud Server

Versions: 5.0.6,

Date: 5/14/2013

Risk level: High

Description

Incomplete blacklist vulnerability in ownCloud before 5.0.6 allows authenticated remote attackers to execute arbitrary PHP code by uploading a crafted file and accessing an uploaded PHP file.

Note: Successful exploitation requires that the /data/ directory is stored inside the webroot and a webserver that interprets .htaccess files (e.g. Apache)

Affected Software

  • ownCloud Server < 5.0.6 (CVE-2013-2089)

Action Taken

It is recommended that all instances are upgraded to ownCloud Server 5.0.6.

Acknowledgements

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

  • Lukas Reschke – ownCloud Inc. (lukas@owncloud.org) – Vulnerability discovery and disclosure.

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