ZDI-CAN-12048: QNAP NAS MusicStation Directory Traversal Arbitrary File Creation Vulnerability

This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of QNAP NAS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MusicStation application. When parsing the arttype request parameter, the process does not properly validate a user-supplied path prior to using it in file operations.An attacker can leverage this vulnerability to create files in the context of the admin user.

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• collector/zdi-advisory
• source/ZDI
• alias/ZDI-21-591
• alias/ZDI-CAN-12048
• alias/CVE-2020-36197
• agent/software-canonical-lookup
• agent/references
• agent/title
• agent/severity
• agent/type
• agent/softwarecombine
• agent/event
• agent/tags
• agent/description
• vendor/qnap
• canonical/qnap nas