(Pwn2Own) QNAP TS-464 Netmgr Endpoint Command Injection Remote Code Execution Vulnerability

August 12th, 2024
ZDI-24-1123 ZDI-CAN-22458

CVE ID

CVE-2024-32765

CVSS Score

8.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

QNAP

Affected Products

TS-464

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of QNAP TS-464 NAS devices. An attacker must first obtain the ability to make modifications to device configuration in order to exploit this vulnerability.

The specific flaw exists within the legacy_api endpoints. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of admin.

Additional Details

QNAP has issued an update to correct this vulnerability. More details can be found at:
https://www.qnap.com/en/security-advisory/qsa-24-14

Disclosure Timeline

  • 2023-11-15 - Vulnerability reported to vendor
  • 2024-08-12 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated

Credit

Team ECQ

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