Rockwellautomation Factorytalk Improper Handling of Exceptional Conditions

high Tenable.ot Plugin ID 500442
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Description

An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.

Solution

Refer to vendor advisory for Security Updates

See Also

https://www.tenable.com/security/research/tra-2020-71

Plugin Details

Severity: High

ID: 500442

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-5801

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*

Patch Publication Date: 12/29/2020

Vulnerability Publication Date: 12/29/2020

Reference Information

CVE: CVE-2020-5801