CVE-2023-5753 Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem
Attackers can trigger buffer overflows in the Zephyr Bluetooth subsystem when asserts are disabled, potentially leading to code execution or crashes.
- 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-2023-5753?
CVE-2023-5753 is a medium-severity memory corruption vulnerability in Zephyrproject Zephyr, published on 24 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c
Which versions are affected by CVE-2023-5753?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2023-5753?
No fix has been published for CVE-2023-5753 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-2023-5753 being exploited?
There is no known exploitation of CVE-2023-5753 in the wild and no public exploit code.
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-hmpr-px56-rvww.