CVE-2024-6657 BLE peripheral DoS after few cycles of connect/disconnects
Attackers can cause a hard reset requirement on BLE peripherals by repeatedly connecting and disconnecting, affecting Silabs EFR32 SDK users.
- 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-2024-6657?
CVE-2024-6657 is a medium-severity denial of service vulnerability in silabs.com EFR32 BLE SDK, published on 11 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A denial of service may be caused to a single peripheral device in a BLE network when multiple central devices continuously connect and disconnect to the peripheral. A hard reset is required to recover the peripheral device.
Weakness: CWE-821
Which versions are affected by CVE-2024-6657?
How do I fix CVE-2024-6657?
No fix has been published for CVE-2024-6657 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-2024-6657 being exploited?
There is no known exploitation of CVE-2024-6657 in the wild and no public exploit code.
Sources
Also known as GHSA-4vhv-rmg8-wc9v.