CVE-2024-6444 Bluetooth: ots: missing buffer length check
Missing buffer length check in Zephyr RTOS Bluetooth OTS client allows attackers to cause memory corruption, potentially leading to code execution or 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-2024-6444?
CVE-2024-6444 is a medium-severity memory corruption vulnerability in Zephyrproject Zephyr, published on 4 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
No proper validation of the length of user input in olcp_ind_handler in zephyr/subsys/bluetooth/services/ots/ots_client.c.
Which versions are affected by CVE-2024-6444?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2024-6444?
No fix has been published for CVE-2024-6444 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-6444 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6444 exists.
Other vulnerabilities in Zephyrproject Zephyr
- CVE-2026-5067 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key
- 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
Sources
Also known as GHSA-qj4r-chj6-h7qp, UBUNTU-CVE-2024-6444.