CVE-2024-4785 BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero
A missing check in Zephyr RTOS Bluetooth handling allows attackers to cause a division by zero error, 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-2024-4785?
CVE-2024-4785 is a high-severity denial of service vulnerability in Zephyrproject Zephyr, published on 19 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero
Weakness: CWE-369
Which versions are affected by CVE-2024-4785?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2024-4785?
No fix has been published for CVE-2024-4785 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-2024-4785 being exploited?
There is no known exploitation of CVE-2024-4785 in the wild and no public exploit code.
Other vulnerabilities in Zephyrproject Zephyr
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- CVE-2022-3806 Bluetooth HCI Error Handling Double Free
- CVE-2017-14199 Memory corruption in getaddrinfo
- CVE-2018-1000800 Null dereference in n/a
- CVE-2021-3329 DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer