Remote code execution in OpenSSH package in QNAP QTS and QuTS hero
| 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 Subscribe |
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
Exploit availability: Yes
DescriptionThe 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.
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 versionsQNAP QTS: 4.5.0 - 5.4.1
QuTS hero: h4.5.0.1279 build 20200421 - h5.1.7.2770 build 20240520
CPE2.3- cpe:2.3:a:qnap_systems:qnap_qts:4.5.4.2790:20240605:*:*:*:*:*:
- cpe:2.3:a:qnap_systems:qnap_qts:5.1.7.2770:20240520:*:*:*:*:*:
- cpe:2.3:a:qnap_systems:qnap_qts:5.0.1.2514:20230906:*:*:*:*:*:
- cpe:2.3:a:qnap_systems:qnap_qts:5.2.7:*:*:*:*:*:*:
- cpe:2.3:h:qnap_systems:quts-hero:h4.5.4.2790 build 20240606:*:*:*:*:*:*:
- cpe:2.3:h:qnap_systems:quts-hero:h5.1.7.2770 build 20240520:*:*:*:*:*:*:
- cpe:2.3:h:qnap_systems:quts-hero:h5.1.6.2734 build 20240414:*:*:*:*:*:*:
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.
