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Schneider Electric Modicon Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2018-7759)

high Tenable OT Security Plugin ID 501201

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?c46bd378

Plugin Details

Severity: High

ID: 501201

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 6/29/2023

Updated: 11/30/2023

Supported Sensors: Tenable OT Security

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 Score Source: CVE-2018-7759

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

CPE: cpe:/o:schneider-electric:140cpu31110_firmware:-, cpe:/o:schneider-electric:140cpu31110c_firmware:-, cpe:/o:schneider-electric:140cpu43412u_firmware:-, cpe:/o:schneider-electric:140cpu43412uc_firmware:-, cpe:/o:schneider-electric:140cpu65150_firmware:-, cpe:/o:schneider-electric:140cpu65150c_firmware:-, cpe:/o:schneider-electric:140cpu65160_firmware:-, cpe:/o:schneider-electric:140cpu65160c_firmware:-, cpe:/o:schneider-electric:140cpu65160s_firmware:-, cpe:/o:schneider-electric:140cpu65260_firmware:-, cpe:/o:schneider-electric:140cpu65260c_firmware:-, cpe:/o:schneider-electric:140cpu65860_firmware:-, cpe:/o:schneider-electric:140cpu65860c_firmware:-, cpe:/o:schneider-electric:bmxp341000_firmware:-, cpe:/o:schneider-electric:bmxp341000h_firmware:-, cpe:/o:schneider-electric:bmxp342000_firmware:-, cpe:/o:schneider-electric:bmxp3420102_firmware:-, cpe:/o:schneider-electric:bmxp3420102cl_firmware:-, cpe:/o:schneider-electric:bmxp342020_firmware:-, cpe:/o:schneider-electric:bmxp342020h_firmware:-, cpe:/o:schneider-electric:bmxp3420302_firmware:-, cpe:/o:schneider-electric:bmxp3420302cl_firmware:-, cpe:/o:schneider-electric:bmxp3420302h_firmware:-, cpe:/o:schneider-electric:tsxh5724m_firmware:-, cpe:/o:schneider-electric:tsxh5724mc_firmware:-, cpe:/o:schneider-electric:tsxh5744m_firmware:-, cpe:/o:schneider-electric:tsxh5744mc_firmware:-, cpe:/o:schneider-electric:tsxp57104m_firmware:-, cpe:/o:schneider-electric:tsxp57104mc_firmware:-, cpe:/o:schneider-electric:tsxp57154m_firmware:-, cpe:/o:schneider-electric:tsxp571634m_firmware:-, cpe:/o:schneider-electric:tsxp571634mc_firmware:-, cpe:/o:schneider-electric:tsxp57204m_firmware:-, cpe:/o:schneider-electric:tsxp57204mc_firmware:-, cpe:/o:schneider-electric:tsxp57254m_firmware:-, cpe:/o:schneider-electric:tsxp57254mc_firmware:-, cpe:/o:schneider-electric:tsxp572634m_firmware:-, cpe:/o:schneider-electric:tsxp572634mc_firmware:-, cpe:/o:schneider-electric:tsxp57304m_firmware:-, cpe:/o:schneider-electric:tsxp57304mc_firmware:-, cpe:/o:schneider-electric:tsxp57354m_firmware:-, cpe:/o:schneider-electric:tsxp57354mc_firmware:-, cpe:/o:schneider-electric:tsxp573634m_firmware:-, cpe:/o:schneider-electric:tsxp573634mc_firmware:-, cpe:/o:schneider-electric:tsxp57454m_firmware:-, cpe:/o:schneider-electric:tsxp57454mc_firmware:-, cpe:/o:schneider-electric:tsxp574634m_firmware:-, cpe:/o:schneider-electric:tsxp574634mc_firmware:-, cpe:/o:schneider-electric:tsxp57554m_firmware:-, cpe:/o:schneider-electric:tsxp57554mc_firmware:-, cpe:/o:schneider-electric:tsxp575634m_firmware:-, cpe:/o:schneider-electric:tsxp575634mc_firmware:-, cpe:/o:schneider-electric:tsxp576634m_firmware:-, cpe:/o:schneider-electric:tsxp576634mc_firmware:-, cpe:/o:schneider-electric:tsxp57154mc_firmware:-

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 4/18/2018

Vulnerability Publication Date: 4/18/2018

Reference Information

CVE: CVE-2018-7759

CWE: 119