Incorrect Pointer Scaling in Mitsubishi Electric products - CVE-2024-0802

Vulnerability identifier: #VU87556

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2024-0802

CWE-ID: CWE-468

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mitsubishi Electric

Affected software:
MELSEC-Q Q03UDECPU
Q04UDEHCPU
MELSEC iQ-Q 06 UDEHCPU
MELSEC iQ-Q 10 UDEHCPU
MELSEC iQ-Q 13 UDEHCPU
MELSEC iQ-Q 20 UDEHCPU
MELSEC iQ-Q 26 UDEHCPU
MELSEC iQ-Q 50 UDEHCPU
MELSEC iQ-Q 100 UDEHCPU
MELSEC iQ-Q 03 UDVCPU
MELSEC iQ-Q 04 UDVCPU
MELSEC iQ-Q 06 UDVCPU
MELSEC iQ-Q 13 UDVCPU
MELSEC iQ-Q 26 UDVCPU
MELSEC iQ-Q 04 UDPVCPU
MELSEC iQ-Q 06 UDPVCPU
MELSEC iQ-Q 13 UDPVCPU
MELSEC iQ-Q 26 UDPVCPU
MELSEC L Series L02CPU(-P)
MELSEC L Series L06CPU(-P)
MELSEC L Series L26CPU(-P)
MELSEC L Series L26CPU-(P)BT

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

The vulnerability exists due to incorrect pointer scaling. A remote attacker can send a specially crafted packet and execute arbitrary code on the target system.

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

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

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