CVE-2023-50359 QTS, QuTS hero

What is CVE-2023-50359?

CVE-2023-50359 is a low-severity denial of service vulnerability in Qnap Qts, published on 2 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An unchecked return value vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated administrators to place the system in a state that could lead to a crash or other unintended behaviors via unspecified vectors.

We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QuTS hero h5.1.5.2647 build 20240118 and later

Weakness: CWE-252

Which versions are affected by CVE-2023-50359?

It affects 3 products.

Products include Qnap Qts, Qnap Quts Hero, Qnap Qutscloud.

How do I fix CVE-2023-50359?

No fix has been published for CVE-2023-50359 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-50359 being exploited?

There is no known exploitation of CVE-2023-50359 in the wild and no public exploit code.

Other vulnerabilities in Qnap Qts

• CVE-2020-2509 QNAP Network-Attached Storage (NAS) Command Injection Exploited Critical 9.8
• CVE-2018-19949 QNAP NAS File Station Command Injection Exploited Critical 9.8
• CVE-2019-7193 QNAP QTS Improper Input Validation Exploited Critical 9.8
• CVE-2018-19943 QNAP NAS File Station Cross-Site Scripting Exploited High 8.0
• CVE-2018-19953 QNAP NAS File Station Cross-Site Scripting Exploited Medium 6.1

All Qnap Qts vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8chw-9j48-7gmj.