[Control System] Rockwell Automation Security Update

Number: AV18-107
Date: 04 July 2018

Purpose

The purpose of this advisory is to bring attention to vulnerabilities affecting Rockwell Automation Allen-Bradley Stratix 5950.

Assessment

Rockwell Automation has released a security advisory to address vulnerabilities in products which use the Rockwell Automation Allen-Bradley Stratix 5950, including: Improper Input Validation, Improper Certificate Validation and Resource Management Errors. Successful exploitation of these vulnerabilities could allow an attacker to bypass client certification to create connections to the affected device or cause the device to crash.

Affected Products:
Allen-Bradley Stratix 5950 Security Appliances, running the Cisco ASA v9.6.2 and earlier, are affected:

CVE References:  CVE-2018-0228, CVE-2018-0227, CVE-2018-0231, CVE-2018-0240, CVE-2018-0296

Suggested action

CCIRC recommends that owner/operators test and deploy the vendor released updates or workarounds to affected platforms accordingly.

References

ICS-CERT : ICSA-18-184-01 – Rockwell Automation Allen-Bradley Stratix 5950:
https://ics-cert.us-cert.gov/advisories/ICSA-18-184-01

Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.
http://www.publicsafety.gc.ca/cnt/ntnl-scrt/cbr-scrt/_fl/CCIRCPublicPGPKey.txt

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589
E-mail: ps.communications-communications.sp@canada.ca

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