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Open-Xchange Security Advisory 2015-02-12

Product: Open-Xchange Server 6 / OX AppSuite
Vendor: Open-Xchange GmbH

Internal reference: 35889 (Bug ID)
Vulnerability type: Information Exposure (CWE-200)
Vulnerable version: 7.6.1 and earlier
Vulnerable component: backend
Report confidence: Confirmed
Solution status: Fixed by Vendor
Fixed version: 7.4.2-rev42, 7.6.0-rev36, 7.6.1-rev14
Vendor notification: 2014-12-17
Solution date: 2015-01-13
CVE reference: CVE-2014-9466

Vulnerability Details:
Publications allow sharing files with external data consumers. Access to those is secured with a random hash and publications allow access to the shared directory or file only. However, since the folder identifier has not been properly taken into consideration when calculating permissions, a user that obtained access to the publication is able to access other files which are not intentionally published by the owner.

External users that have valid access to a publication may access files that are not intended to be shared with them.

Users should update to the latest patch releases 7.4.2-rev42, 7.6.0-rev36 and 7.6.1-rev14 (or later).