CVE-2020-12140 Memory corruption in n/a
A buffer overflow in the Contiki-NG BLE stack allows attackers to execute arbitrary code via malicious L2CAP frames.
- 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-2020-12140?
CVE-2020-12140 is a high-severity memory corruption vulnerability in n/a, published on 7 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-120
Which versions are affected by CVE-2020-12140?
It affects 1 product.
Products include Contiki-Ng Contiki-Ng.
How do I fix CVE-2020-12140?
No fix has been published for CVE-2020-12140 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-2020-12140 being exploited?
There is no known exploitation of CVE-2020-12140 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rhh2-2xqm-4xj9.