A buffer overflow in os/net/mac/ble/ble-l2cap.c in the BLE stack in Contiki-NG 4.4 and earlier allows an attacker to execute arbitrary code via malicious L2CAP frames.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12140
Reference (s):
- https://github.com/contiki-ng/contiki-ng/pull/1662
- https://twitter.com/ScepticCtf