CWE
119 502
Advisory Published
Updated

CVE-2023-25770: Controller stack overflow on decoding messages from the server

First published: Thu Jul 13 2023(Updated: )

Controller DoS may occur due to buffer overflow when an error is generated in response to a specially crafted message.

Credit: psirt@honeywell.com psirt@honeywell.com

Affected SoftwareAffected VersionHow to fix
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
Any of
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

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Frequently Asked Questions

  • What is CVE-2023-25770?

    CVE-2023-25770 is a vulnerability that can cause a Denial of Service (DoS) attack on a controller due to a buffer overflow when an error is generated in response to a specially crafted message.

  • Which software is affected by CVE-2023-25770?

    Honeywell C300 Firmware versions 501.1 to 501.6hf8, 510.1 to 510.2hf12, 511.1 to 511.5tcu3, 520.1, and 520.2tcu2 are affected by CVE-2023-25770.

  • What is the severity of CVE-2023-25770?

    CVE-2023-25770 has a severity rating of 7.5 (Critical).

  • How can I fix CVE-2023-25770?

    To fix CVE-2023-25770, it is recommended to update the Honeywell C300 Firmware to a non-vulnerable version.

  • Where can I find more information about CVE-2023-25770?

    You can find more information about CVE-2023-25770 on the official Honeywell website (https://process.honeywell.com).

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