PT-2023-2847 · Mitsubishi · Melsec Iq-F Series Cpu Modules+1

Matt Wiseman · Published 2023-05-03 · Updated 2023-07-07 · CVE-2023-1424

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules versions 1.220 through 1.260 Mitsubishi Electric Corporation MELSEC iQ-R Series CPU modules (affected versions not specified)

Description The issue is caused by a buffer copy without checking the size of the input, leading to a classic buffer overflow. This allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.

Recommendations For Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules versions 1.220 through 1.260, update to a version that is not affected by this issue. For Mitsubishi Electric Corporation MELSEC iQ-R Series CPU modules, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2023-02792

CVE-2023-1424

Affected Products

Melsec Iq-F Series Cpu Modules

Melsec Iq-R Series Cpu Modules

References · 9

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1727 · Exploit
• https://bdu.fstec.ru/vul/2023-02792 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-1424 · Security Note
• https://mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdf · Vendor Advisory
• https://t.me/true_secator/4433 · Telegram Post
• https://t.me/cvenotify/51029 · Telegram Post
• https://jvn.jp/vu/JVNVU94650413 · Note
• https://cisa.gov/news-events/ics-advisories/icsa-23-143-03 · Note
• https://t.me/cibsecurity/64674 · Telegram Post