(Pwn2Own) QNAP TS-464 TURN Server create_session Server-Side Request Forgery Vulnerability

June 21st, 2024
ZDI-24-823 ZDI-CAN-22422

CVE ID

CVE-2024-32764

CVSS Score

7.3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of the create_session action. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

Additional Details

QNAP has issued an update to correct this vulnerability. More details can be found at:
https://www.qnap.com/en-us/security-advisory/qsa-24-09

Disclosure Timeline

  • 2023-11-09 - Vulnerability reported to vendor
  • 2024-06-21 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated

Credit

Team ECQ

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