CVE-2022-2502 : Vulnerability Insights and Analysis
Learn about CVE-2022-2502, a vulnerability affecting Hitachi Energy's RTU500 series product due to a missing input data validation in the HCI IEC 60870-5-104 function. Find out the impacted systems and versions along with mitigation methods.
A detailed analysis of CVE-2022-2502 focusing on the vulnerability in the HCI IEC 60870-5-104 function in certain versions of the RTU500 series product by Hitachi Energy.
Understanding CVE-2022-2502
In this section, we will explore the nature and impact of the CVE-2022-2502 vulnerability affecting the RTU500 series product by Hitachi Energy.
What is CVE-2022-2502?
The CVE-2022-2502 vulnerability exists in the HCI IEC 60870-5-104 function within specific versions of the RTU500 series product. It can be exploited when certain criteria are met, allowing an attacker to send a crafted message, leading to a targeted RTU500 CMU reboot.
The Impact of CVE-2022-2502
The vulnerability, caused by a lack of input data validation, results in an internal buffer overflow in the HCI IEC 60870-5-104 function. If successfully exploited, it can disrupt the normal operation of the targeted RTU500.
Technical Details of CVE-2022-2502
This section delves into the technical specifics of the CVE-2022-2502 vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability arises due to a missing input data validation in the HCI IEC 60870-5-104 function, potentially leading to an internal buffer overflow.
Affected Systems and Versions
The vulnerability impacts the RTU500 series with HCI IEC 60870-5-104 and IEC 62351-5 configured and enabled. Versions 13.3.1 and 13.3.2 of the CMU Firmware are affected.
Exploitation Mechanism
Exploiting the vulnerability requires the HCI 60870-5-104 to be configured with IEC 62351-5 support and the CMU to possess the 'Advanced security' license feature.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent the exploitation of CVE-2022-2502 in the RTU500 series product by Hitachi Energy.
Immediate Steps to Take
To address the vulnerability, update the CMU Firmware to versions 13.3.3 or 13.4.1 as a critical security measure.
Long-Term Security Practices
Consider disabling the HCI IEC 60870-5-104 function or its IEC 62351-5 feature if they are not essential for the operation of the RTU500 series.
Patching and Updates
Regularly apply security patches and updates provided by Hitachi Energy to protect against known vulnerabilities.