Denial of service in QNAP QTS and QuTS hero



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-50359
CWE-ID CWE-252
Exploitation vector Local
Public exploit N/A
Vulnerable software
 QNAP QTS
Server applications / File servers (FTP/HTTP)

QuTS hero
Hardware solutions / Firmware

Vendor QNAP Systems, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Unchecked Return Value

EUVDB-ID: #VU86087

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-50359

CWE-ID: CWE-252 - Unchecked Return Value

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to unchecked return value. A local administrator can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

QNAP QTS: before

QuTS hero: before h5.1.5.2647 build 20240118

CPE2.3 External links

https://www.qnap.com/en/security-advisory/qsa-24-07


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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