CVE-2023-26597: Controller DOS on sending error response

Published Jul 13, 2023
·
Updated

Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller.

Affected Software

12 affected components
Honeywell C300 Firmware>=501.1<=501.6hf8
Honeywell C300 Firmware>=510.1<=510.2hf12
Honeywell C300 Firmware>=511.1<=511.5tcu3
Honeywell C300 Firmware>=520.1<=520.1tcu4
Honeywell C300 Firmware>=520.2<=520.2tcu2
Honeywell C300
All of the following
Any of the following
Honeywell C300 Firmware>=501.1<=501.6hf8
Honeywell C300 Firmware>=510.1<=510.2hf12
Honeywell C300 Firmware>=511.1<=511.5tcu3
Honeywell C300 Firmware>=520.1<=520.1tcu4
Honeywell C300 Firmware>=520.2<=520.2tcu2
Honeywell C300

Event History

Jul 13, 2023
CVE Published
via MITRE·11:04 AM
Data Sourced
via MITRE·11:04 AM
DescriptionSeverityWeakness
Data Sourced
12:15 PM
Description
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Frequently Asked Questions

1

What is CVE-2023-26597?

CVE-2023-26597 refers to a vulnerability that can cause a denial of service (DoS) attack on a controller due to buffer overflow in the handling of a specially crafted message received by the controller.

2

Which software versions are affected by CVE-2023-26597?

The Honeywell C300 Firmware versions 501.1-501.6hf8, 510.1-510.2hf12, 511.1-511.5tcu3, 520.1-520.1tcu4, and 520.2-520.2tcu2 are affected by CVE-2023-26597.

3

What is the severity of CVE-2023-26597?

CVE-2023-26597 has a severity rating of 7.5, which is considered high.

4

How can I fix CVE-2023-26597?

To fix CVE-2023-26597, it is recommended to update the Honeywell C300 Firmware to a non-vulnerable version provided by Honeywell.

5

Where can I find more information about CVE-2023-26597?

You can find more information about CVE-2023-26597 on the Honeywell Process Solutions website at https://process.honeywell.com.

Contact

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