Vulnerability identifier: #VU12588

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8843

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Arena
Server applications / Virtualization software

Vendor: Rockwell Automation

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to use-after-free error. A local attacker can process specially crafted Arena Simulation Software files, trigger memory corruption and cause the service to crash potentially losing any unsaved data.

Mitigation
Update to version 15.10.01 or later.

Vulnerable software versions

Arena: 14.50.00 - 15.10.00

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-130-02

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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