Mitsubishi MELSEC-Q/L Series Integer Overflow or Wraparound (CVE-2024-1917)

critical Tenable OT Security Plugin ID 502215

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU modules allows a remote unauthenticated attacker to execute malicious code on a target product by sending a specially crafted packet.

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.
Mitsubishi Electric recommends that users take the following mitigation measures to minimize the risk of exploiting this vulnerability:

- Use a firewall, virtual private network (VPN) etc., to prevent unauthorized access when Internet access is required.
- Use within a LAN and block access from untrusted networks and hosts through firewalls.
- Restrict physical access to the affected products and the LAN to which they are connected.
- Install antivirus software on your personal computer that can access the affected product.

For specific update instructions and additional details refer to Mitsubishi Electric advisory 2023-024

Plugin Details

Severity: Critical

ID: 502215

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 4/21/2024

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:mitsubishielectric:q13udvcpu_firmware, cpe:/o:mitsubishielectric:q04udehcpu_firmware, cpe:/o:mitsubishielectric:q26udehcpu_firmware, cpe:/o:mitsubishielectric:q10udehcpu_firmware, cpe:/o:mitsubishielectric:q50udehcpu_firmware, cpe:/o:mitsubishielectric:l06cpu-p_firmware, cpe:/o:mitsubishielectric:l02cpu_firmware, cpe:/o:mitsubishielectric:l26cpu-p_firmware, cpe:/o:mitsubishielectric:q06udvcpu_firmware, cpe:/o:mitsubishielectric:q26udpvcpu_firmware, cpe:/o:mitsubishielectric:q100udehcpu_firmware, cpe:/o:mitsubishielectric:q04udpvcpu_firmware, cpe:/o:mitsubishielectric:l06cpu_firmware, cpe:/o:mitsubishielectric:l26cpu-bt_firmware, cpe:/o:mitsubishielectric:q20udehcpu_firmware, cpe:/o:mitsubishielectric:q04udvcpu_firmware, cpe:/o:mitsubishielectric:l26cpu-pbt_firmware, cpe:/o:mitsubishielectric:q03udvcpu_firmware, cpe:/o:mitsubishielectric:q06udpvcpu_firmware, cpe:/o:mitsubishielectric:l26cpu_firmware, cpe:/o:mitsubishielectric:l02cpu-p_firmware, cpe:/o:mitsubishielectric:q13udpvcpu_firmware, cpe:/o:mitsubishielectric:q13udehcpu_firmware, cpe:/o:mitsubishielectric:q06udehcpu_firmware, cpe:/o:mitsubishielectric:q03udecpu_firmware, cpe:/o:mitsubishielectric:q26udvcpu_firmware

Required KB Items: Tenable.ot/Mitsubishi

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/14/2013

Reference Information

CVE: CVE-2024-1917

CWE: 190

ICSA: 24-074-14

Detections

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