PT-2021-14: Integer Overflow Resulting in Reading and Writing Outside Memory Range Allocated to Device FX5U(C) CPU and FX5UJ CPU modules Severity level Severity level: High Impact: Integer Overflow Resulting in Reading and Writing Outside Memory Range Allocated to Device Access Vector: Remote CVSS v3.0 Base Score: 8,6 Vector: (AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H) CVE-2022-25161 Vulnerability description:The vulnerability of the FX5U(C) CPU and FX5UJ CPU modules of Mitsubishi Electric FA products is associated with to Integer Overflow in the DevOff_To_RealAddr procedure. Exploitation of the vulnerability allows an attacker to perform reading and writing outside of the allocated memory range. Advisory status 15.12.2021 - Vendor gets vulnerability details 17.05.2022 - Security advisory publication date (https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-004_en.pdf) Credits The vulnerability was detected by Anton Dorfman (Positive Technologies)
