CVE-2024-39808 Denial of service in Controller 6000 and Controller 7000
An attacker with physical access to wiring can cause a reboot in Gallagher Controller 6000/7000 devices, resulting in a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-39808?
CVE-2024-39808 is a medium-severity denial of service vulnerability in Gallagher Controller 6000 and Controller 7000, published on 11 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect Calculation of Buffer Size (CWE-131) in the Controller 6000 and Controller 7000 OSDP message handling, allows an attacker with physical access to Controller wiring to instigate a reboot leading to a denial of service.
This issue affects: Controller 6000 and Controller 7000 9.10 prior to vCR9.10.240816a (distributed in 9.10.1530 (MR2)), 9.00 prior to vCR9.00.240816a (distributed in 9.00.2168 (MR4)), 8.90 prior to vCR8.90.240816a (distributed in 8.90.2155 (MR5)), 8.80 prior to vCR8.80.240816b (distributed in 8.80.1938 (MR6)), all versions of 8.70 and prior.
Weakness: CWE-131
Which versions are affected by CVE-2024-39808?
How do I fix CVE-2024-39808?
No fix has been published for CVE-2024-39808 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-2024-39808 being exploited?
There is no known exploitation of CVE-2024-39808 in the wild and no public exploit code.
Sources
Also known as GHSA-9qcw-x77v-9qjh.