CVE-2023-0775 Bluetooth LE Invalid prepare write request command leads to denial of service
An attacker can cause a denial of service in Bluetooth LE stacks by sending invalid prepare write requests, exhausting memory resources.
- 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-2023-0775?
CVE-2023-0775 is a medium-severity denial of service vulnerability in silabs.com GSDK, published on 28 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An invalid ‘prepare write request’ command can cause the Bluetooth LE stack to run out of memory and fail to be able to handle subsequent connection requests, resulting in a denial-of-service.
Weakness: CWE-20
Which versions are affected by CVE-2023-0775?
It affects 1 product.
Products include Silabs Gecko Software Development Kit.
How do I fix CVE-2023-0775?
No fix has been published for CVE-2023-0775 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-2023-0775 being exploited?
There is no known exploitation of CVE-2023-0775 in the wild and no public exploit code.
Other vulnerabilities in silabs.com GSDK
- CVE-2023-45318 Memory corruption in Gecko Platform
- CVE-2023-2686 Memory corruption in Gecko Platform
- CVE-2023-4280 Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region
- CVE-2023-4020 Unvalidated input in Silicon Labs PSA Attestation service leads to secure memory access from non-secure memory
- CVE-2023-25181 Memory corruption in Cesium NET
Sources
Also known as GHSA-25xf-r6x8-6fw5.