CRITICAL: CVE-2016-9343 (CVSS 10) — rockwellautomation softlogix 5800 controller firmware

CVE: CVE-2016-9343

CVSS: 10 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: CRITICAL

Status: Critical advisory

Affected

• rockwellautomation softlogix 5800 controller firmware
• rockwellautomation softlogix 5800 controller
• rockwellautomation rslogix emulate 5000 firmware
• rockwellautomation rslogix emulate 5000
• rockwellautomation guardlogix 5570 controller firmware

Summary

An issue was discovered in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00 (excluding all firmware versions prior to FRN 16.00, which are not affected). By sending malformed common industrial protocol (CIP) packet, an attacker may be able to overflow a stack-based buffer and execute code on the controller or initiate a nonrecoverable fault resulting in a denial of service.

Verified Sources

• NVD entry
• GitHub Advisory
• MITRE

References

• http://www.securityfocus.com/bid/95304
• https://ics-cert.us-cert.gov/advisories/ICSA-16-343-05
• http://www.securityfocus.com/bid/95304
• https://ics-cert.us-cert.gov/advisories/ICSA-16-343-05

_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._