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Schneider Electric Modicon Premium, Modicon Quantum, Modicon M340, and Modicon BMXNOR0200 Stack-Based Buffer Overflow (CVE-2018-7240)

high Tenable OT Security Plugin ID 501218

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability exists in Schneider Electric's Modicon Quantum in all versions of the communication modules which could allow arbitrary code execution. An FTP command used to upgrade the firmware of the module can be misused to cause a denial of service, or in extreme cases, to load a malicious firmware.

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

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Schneider Electric recommends that users follow the instructions outlined in the Modicon Controllers Platform - Cyber Security, Reference Manual to install Modicon PLCs securely.

Schneider Electric also recommends that affected users disable FTP services on the device during times when maintenance or configuration activities are not needed.

For more information please see Schneider Electric’s security notification SEVD-2018-081-01 at:

https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/

See Also

http://www.securityfocus.com/bid/103541

https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01

http://www.nessus.org/u?9f9c4015

Plugin Details

Severity: High

ID: 501218

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 6/29/2023

Updated: 3/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2018-7240

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: 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: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:bmxnor0200_firmware:-, cpe:/o:schneider-electric:bmxnor0200h_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:tsxp57154mc_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:-

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-2018-7240

CWE: 787