Multiple vulnerabilities in QNAP QTS and QuTS hero

Published: 2024-01-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-39294 CVE-2023-39296
CWE-ID	CWE-78 CWE-1321
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	QNAP QTS Server applications / File servers (FTP/HTTP) QuTS hero Hardware solutions / Firmware
Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) OS Command Injection

EUVDB-ID: #VU85055

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39294

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

QNAP QTS: before 5.1.3.2578 20231110

QuTS hero: before h5.1.3.2578 build 20231110

External links

http://www.qnap.com/en/security-advisory/qsa-23-54

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Prototype pollution

EUVDB-ID: #VU85056

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39296

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation. A remote user can pass specially crafted input to the application and perform prototype pollution, leading to denial of service condition.