#VU89038 Integer overflow in QNAP Systems, Inc. products - CVE-2024-21905

Vulnerability identifier: #VU89038

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21905

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QNAP QTS
Server applications / File servers (FTP/HTTP)
QuTS hero
Hardware solutions / Firmware
QuTScloud
Operating systems & Components / Operating system

Vendor: QNAP Systems, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow. A remote user can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code 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, 5.1.3.2578

QuTS hero: before h5.1.3.2578 build 20231110

QuTScloud: before c5.1.5.2651

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External links
https://www.qnap.com/en/security-advisory/qsa-24-16

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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