Remote code execution in BUFFALO LinkStation 200 series



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-51073
CWE-ID CWE-354
Exploitation vector Network
Public exploit N/A
Vulnerable software
 LS210D
Hardware solutions / Firmware

LS220D
Hardware solutions / Firmware

LS220DR
Hardware solutions / Firmware

LS220DB
Hardware solutions / Firmware

Vendor BUFFALO INC.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper validation of integrity check value

EUVDB-ID: #VU87710

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-51073

CWE-ID: CWE-354 - Improper Validation of Integrity Check Value

Exploit availability: No

Description

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

The vulnerability exists due to insufficient verification of data authenticity during firmware update. A remote attacker can a man-in-the-middle (MitM) attack and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LS210D: - - 1.08

LS220D: - - 1.08

LS220DR: - - 1.08

LS220DB: - - 1.08

CPE2.3 External links

https://www.buffalotech.com
https://github.com/christopher-pace/CVE-2023-51073/
https://jvn.jp/en/vu/JVNVU90953541/index.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###