#VU14445 Relative path traversal in DeltaV - CVE-2018-14795

Vulnerability identifier: #VU14445

Vulnerability risk: Low

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14795

CWE-ID: CWE-23

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DeltaV
Hardware solutions / Firmware

Vendor: Emerson

Description

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

The vulnerability exists due to improper path validation. A remote attacker can conduct relative path traversal attack and replace executable files.

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?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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