[Control systems] PHOENIX CONTACT mGuard security update

Number: AV18-023
Date: 31 January 2018

Purpose

The purpose of this advisory is to bring attention to a PHOENIX CONTACT security update for mGuard.

Assessment

PHOENIX CONTACT released a security updates for mGuard to address an improper validation of integrity check value. Successful exploitation of this vulnerability could allow for a malicious actor to modify firmware update packages.

Affected products:

- mGuard firmware versions 7.2 to 8.6.0

CVE Reference: CVE-2018-5441

Suggested action

CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly. For more information, please refer to the ICS-CERT references.

References

https://ics-cert.us-cert.gov/advisories/ICSA-18-030-01

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