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

medium Tenable.ot Plugin ID 500420
New! Plugin Severity Now Using CVSS v3

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Description

Products that use EDS Subsystem: Version 28.0.1 and prior (FactoryTalk Linx software (Previously called RSLinx Enterprise): Versions 6.00, 6.10, and 6.11, RSLinx Classic: Version 4.11.00 and prior, RSNetWorx software: Version 28.00.00 and prior, Studio 5000 Logix Designer software: Version 32 and prior) is vulnerable. A memory corruption vulnerability exists in the algorithm that matches square brackets in the EDS subsystem. This may allow an attacker to craft specialized EDS files to crash the EDSParser COM object, leading to denial-of-service conditions.

Solution

Refer to vendor advisory for Security Updates

See Also

https://www.us-cert.gov/ics/advisories/icsa-20-140-01

Plugin Details

Severity: Medium

ID: 500420

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-12038

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

CVSS v3

Risk Factor: Medium

Base Score: 5.5

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

Vulnerability Information

CPE: cpe:2.3:a:rockwellautomation:rslinx:*:*:*:*:classic:*:*:*, cpe:2.3:a:rockwellautomation:eds_subsystem:*:*:*:*:*:*:*:*, cpe:2.3:a:rockwellautomation:rslinx_enterprise:6.00.00:*:*:*:*:*:*:*, cpe:2.3:a:rockwellautomation:rslinx_enterprise:6.10.00:*:*:*:*:*:*:*, cpe:2.3:a:rockwellautomation:rslinx_enterprise:6.11.00:*:*:*:*:*:*:*, cpe:2.3:a:rockwellautomation:rsnetworx:*:*:*:*:*:*:*:*, cpe:2.3:a:rockwellautomation:studio_5000_logix_designer:*:*:*:*:*:*:*:*

Patch Publication Date: 5/19/2020

Vulnerability Publication Date: 5/19/2020

Reference Information

CVE: CVE-2020-12038