Vulnerability identifier: #VU7471

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9639

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
V-Server
Server applications / Web servers

Vendor: Fuji Electric

Description
The vulnerability allows a remote attacker to execute arbitrary code.

The weakness exists due to boundary error. A remote attacker can send specially crafted file, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 4.0.1.
http://proself.hakko-elec.co.jp/proself/publicweb/publicweb.go/EKzkQAiIvMzAVF0Bg-FcEz9DkGitzZP0H8fRb...

Vulnerable software versions

V-Server: 3.3.17.0 - 3.3.22.0

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External links
http://www.isssource.com/fuji-mitigates-electric-v-server-issue/

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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.