CVE-2022-2502: Input Validation
First published: Wed Jul 26 2023(Updated: )
A vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-5 and the CMU contains the license feature ‘Advanced security’ which must be ordered separately. If these preconditions are fulfilled, an attacker could exploit the vulnerability by sending a specially crafted message to the RTU500, causing the targeted RTU500 CMU to reboot. The vulnerability is caused by a missing input data validation which eventually if exploited causes an internal buffer to overflow in the HCI IEC 60870-5-104 function.
Credit: cybersecurity@hitachienergy.com cybersecurity@hitachienergy.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Hitachienergy Rtu500 Firmware | =13.3.1 | |
| Hitachienergy Rtu500 Firmware | =13.3.2 | |
| Hitachienergy Rtu500 Firmware | =13.3.3 | |
| Hitachienergy Rtu500 Firmware | =13.4.1 | |
| Hitachienergy Rtu500 | ||
| All of | ||
| Hitachienergy Rtu500 | ||
| Any of | ||
| Hitachienergy Rtu500 Firmware | =13.3.1 | |
| Hitachienergy Rtu500 Firmware | =13.3.2 | |
| Hitachienergy Rtu500 Firmware | =13.3.3 | |
| Hitachienergy Rtu500 Firmware | =13.4.1 |
Remedy
Update to CMU Firmware versions 13.3.3 or 13.4.1.
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Reference Links
Frequently Asked Questions
What is CVE-2022-2502?
CVE-2022-2502 is a vulnerability that exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product.
How can CVE-2022-2502 be exploited?
CVE-2022-2502 can only be exploited if the HCI 60870-5-104 is configured with support for IEC 62351-5 and the CMU contains the license feature 'Advanced security'.
Which versions of the RTU500 series product are affected by CVE-2022-2502?
Versions 13.3.1, 13.3.2, 13.3.3, and 13.4.1 of the Hitachienergy Rtu500 Firmware are affected by CVE-2022-2502.
What is the severity of CVE-2022-2502?
CVE-2022-2502 has a severity score of 7.5 (high severity).
Is there a fix available for CVE-2022-2502?
I couldn't find information about a fix for CVE-2022-2502. Please refer to the vendor's documentation or contact them for further assistance.
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