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Rewterz Threat Advisory – CVE-2019-6553 Rockwell Automation RSLinx Classic

Severity

High

Analysis Summary

An input validation issue in a .dll file of RSLinx Classic where the data in a Forward Open service request is passed to a fixed size buffer, allowing an attacker to exploit a stack-based buffer overflow condition.

Affected Vendors

Rockwell Automation

Affected Products

RSLinx Classic Versions 4.10.00 and prior

Remediation

Rockwell Automation has released patches to address earlier versions of RSLinx Classic including v3.60, v3.70, v3.80, v3.81, v3.90, v4.00.01, v4.10.