Codesys Control Uncontrolled Resource Consumption

medium Tenable.ot Plugin ID 500370
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.

Solution

Refer to vendor advisory for Security Updates

See Also

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download=

https://www.tenable.com/security/research/tra-2020-04

Plugin Details

Severity: Medium

ID: 500370

Version: 1.0

Type: local

Family: SCADA

Published: 5/27/2020

Updated: 5/27/2020

Risk Information

CVSS Score Source: CVE-2020-7052

CVSS v2

Risk Factor: Medium

Base Score: 4

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_rte:*:*:*:*:*:beckhoff_cx:*:*, cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:safety_sil2:*:*:*:*:*:*:*:*, cpe:2.3:a:codesys:simulation_runtime:*:*:*:*:*:*:*:*

Patch Publication Date: 1/24/2020

Vulnerability Publication Date: 1/24/2020

Reference Information

CVE: CVE-2020-7052