Remote code execution in OpenSSH package in QNAP QTS and QuTS hero



| Updated: 2024-12-19
Risk High
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2024-6387
CWE-ID CWE-362
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
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 high risk vulnerability.

1) Race condition

EUVDB-ID: #VU93513

Risk: High

CVSSv3.1: 7.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-6387

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition in portable version of sshd. A remote non-authenticated attacker can send a series of requests in order to trigger a race condition and execute arbitrary code on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

The vendor is working on the solution and is planning to fix the vulnerability in the upcoming releases of QTS 5.2.0 and QuTS hero h5.2.0.

Vulnerable software versions

QNAP QTS: 4.5.0 - 5.4.1

QuTS hero: h4.5.0.1279 build 20200421 - h5.1.7.2770 build 20240520

CPE2.3 External links

http://www.qnap.com/en/security-advisory/qsa-24-31


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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



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