(Pwn2Own) QNAP TS-464 Log Upload Command Injection Remote Code Execution Vulnerability

June 21st, 2024
ZDI-24-825 ZDI-CAN-22463

CVE ID

CVE-2023-51364

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. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the processing of log uploads. 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

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

Credit

Le Huu Quang Linh, Do Minh Tuan & Billy Jheng Bing-Jhong of STAR Labs SG Pte. Ltd.

Back to Advisories