Vulnerability identifier: #VU87563

Vulnerability risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-1916

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MELSEC-Q Q03UDECPU
Hardware solutions / Routers & switches, VoIP, GSM, etc
Q04UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 06 UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 10 UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 13 UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 20 UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 26 UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 50 UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 100 UDEHCPU
Hardware solutions / Firmware
MELSEC iQ-Q 03 UDVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 04 UDVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 06 UDVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 13 UDVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 26 UDVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 04 UDPVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 06 UDPVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 13 UDPVCPU
Hardware solutions / Firmware
MELSEC iQ-Q 26 UDPVCPU
Hardware solutions / Firmware
MELSEC L Series L02CPU(-P)
Hardware solutions / Firmware
MELSEC L Series L06CPU(-P)
Hardware solutions / Firmware
MELSEC L Series L26CPU(-P)
Hardware solutions / Firmware
MELSEC L Series L26CPU-(P)BT
Hardware solutions / Firmware

Vendor: Mitsubishi Electric

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

MELSEC-Q Q03UDECPU: All versions

Q04UDEHCPU: All versions

MELSEC iQ-Q 06 UDEHCPU: All versions

MELSEC iQ-Q 10 UDEHCPU: All versions

MELSEC iQ-Q 13 UDEHCPU: All versions

MELSEC iQ-Q 20 UDEHCPU: All versions

MELSEC iQ-Q 26 UDEHCPU: All versions

MELSEC iQ-Q 50 UDEHCPU: All versions

MELSEC iQ-Q 100 UDEHCPU: All versions

MELSEC iQ-Q 03 UDVCPU: All versions

MELSEC iQ-Q 04 UDVCPU: All versions

MELSEC iQ-Q 06 UDVCPU: All versions

MELSEC iQ-Q 13 UDVCPU: All versions

MELSEC iQ-Q 26 UDVCPU: All versions

MELSEC iQ-Q 04 UDPVCPU: All versions

MELSEC iQ-Q 06 UDPVCPU: All versions

MELSEC iQ-Q 13 UDPVCPU: All versions

MELSEC iQ-Q 26 UDPVCPU: All versions

MELSEC L Series L02CPU(-P): All versions

MELSEC L Series L06CPU(-P): All versions

MELSEC L Series L26CPU(-P): All versions

MELSEC L Series L26CPU-(P)BT: All versions

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External links
http://www.cisa.gov/news-events/ics-advisories/icsa-24-074-14
http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-024_en.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.