Vulnerability identifier: #VU14447

Vulnerability risk: Medium

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

CVE-ID: CVE-2018-14793

CWE-ID: CWE-121

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
DeltaV
Hardware solutions / Firmware

Vendor: Emerson

Description

The vulnerability allows an adjacent attacker to execute arbitrary code on the target system.

The vulnerability exists due to stack-based buffer overflow. An adjacent attacker can use open communication port to trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

DeltaV: 11.3.1 - 13.3.1

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-228-01

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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