#VU14446 Improper privilege management in DeltaV - CVE-2018-14791

Vulnerability identifier: #VU14446

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14791

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
DeltaV
Hardware solutions / Firmware

Vendor: Emerson

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper privilege management. A local attacker can change executable and library files 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
https://ics-cert.us-cert.gov/advisories/ICSA-18-228-01

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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.