Rockwellautomation Rslinx Improper Restriction of Operations within the Bounds of a Memory Buffer

critical Tenable.ot Plugin ID 500296
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Description

A vulnerability was found in Rockwell Automation RSLinx Classic versions 4.10.00 and prior. 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.

Solution

Refer to vendor advisory for Security Updates

See Also

https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01

Plugin Details

Severity: Critical

ID: 500296

Version: 1.0

Type: local

Family: SCADA

Published: 11/8/2019

Updated: 11/8/2019

Risk Information

CVSS Score Source: CVE-2019-6553

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:2.3:a:rockwellautomation:rslinx:*:*:*:*:classic:*:*:*

Patch Publication Date: 4/4/2019

Vulnerability Publication Date: 4/4/2019

Reference Information

CVE: CVE-2019-6553