CVE-2023-24480 Controller stack overflow when decoding messages from the server
Attacker can cause denial of service in Honeywell C300 controllers via stack overflow during message decoding.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-24480?
CVE-2023-24480 is a critical denial of service vulnerability in Honeywell C300, published on 13 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Controller DoS due to stack overflow when decoding a message from the server.
See Honeywell Security Notification for recommendations on upgrading and versioning.
Which versions are affected by CVE-2023-24480?
It affects 1 product.
Products include Honeywell C300 Firmware.
How do I fix CVE-2023-24480?
No fix has been published for CVE-2023-24480 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-24480 being exploited?
There is no known exploitation of CVE-2023-24480 in the wild and no public exploit code.
Other vulnerabilities in Honeywell C300
Sources
Also known as GHSA-h8ch-jgjf-mm94.