Schneider Electric Modicon Multiple Controllers Buffer Overflow

high Nessus Network Monitor Plugin ID 720240

Synopsis

A Buffer Overflow vulnerability exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules.

Description

A buffer overflow vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. The buffer overflow vulnerability is caused by the length of the source string specified (instead of the buffer size) as the number of bytes to be copied.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

Plugin Details

Severity: High

ID: 720240

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 4/18/2018

Vulnerability Publication Date: 4/18/2018

Reference Information

CVE: CVE-2018-7759

Detections

Analytics