### [CVE-2023-5753](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5753) ![](https://img.shields.io/static/v1?label=Product&message=Zephyr&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=*%3C%203.5%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-120%20Buffer%20Copy%20without%20Checking%20Size%20of%20Input%20('Classic%20Buffer%20Overflow')&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-191%20Integer%20Underflow%20(Wrap%20or%20Wraparound)&color=brighgreen) ### Description Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c ### POC #### Reference - http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html - https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hmpr-px56-rvww #### Github - https://github.com/0xdea/advisories - https://github.com/hnsecurity/vulns