CWE
787 116
Advisory Published
Updated

CVE-2023-24480: Controller stack overflow when decoding messages from the server

First published: Thu Jul 13 2023(Updated: )

Controller DoS due to stack overflow when decoding a message from the server

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-2023-24480?

    CVE-2023-24480 is a vulnerability that allows for a denial-of-service attack on the controller due to a stack overflow when decoding a message from the server.

  • What is the severity of CVE-2023-24480?

    The severity of CVE-2023-24480 is critical with a severity value of 7.5.

  • Which software versions are affected by CVE-2023-24480?

    The Honeywell C300 Firmware versions between 501.1 and 501.6hf8, 510.1 and 510.2hf12, 511.1 and 511.5tcu3, and 520.1 and 520.1tcu4 are affected by CVE-2023-24480.

  • How can the CVE-2023-24480 vulnerability be exploited?

    The CVE-2023-24480 vulnerability can be exploited by sending a specially crafted message from the server to trigger a stack overflow in the controller.

  • Is the Honeywell C300 device vulnerable to CVE-2023-24480?

    No, the Honeywell C300 device itself is not vulnerable to CVE-2023-24480, only specific firmware versions are affected.

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