Vulnerability identifier: #VU68384

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40984

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WTViewerE 761941
Client/Desktop applications / Virtualization software
WTViewerEfree
Client/Desktop applications / Virtualization software

Vendor: Yokogawa

Description

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

The vulnerability exists due to a boundary error when saving a file containing a long filename. A remote unauthenticated attacker can trigger stack-based buffer 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

WTViewerE 761941: 1.31 - 1.61

WTViewerEfree: 1.01 - 1.52

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External links
http://jvn.jp/en/vu/JVNVU99955870/index.html
http://cdn.aff.yokogawa.com/8/756/details/Vulnerability_in_YOKOGAWA_application_software_WTViewerE_r0_e.pdf

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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.