Vulnerability identifier: #VU15393

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-17909

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CX-Supervisor
Server applications / Frameworks for developing and running applications

Vendor: Omron

Description

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

The vulnerability exists due to use-after-free error when processing project files and tampering with a specific byte. A remote unauthenticated attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update to version 3.4.2.

Vulnerable software versions

CX-Supervisor: 3.3.0 - 3.4.1

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-290-01

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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.