CVE-2020-12140: Buffer Overflow
First published: Tue Dec 07 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Contiki-ng Contiki-ng | <=4.4 |
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Frequently Asked Questions
What is CVE-2020-12140?
CVE-2020-12140 is a buffer overflow vulnerability in the BLE stack in Contiki-NG 4.4 and earlier versions.
How does CVE-2020-12140 allow an attacker to execute arbitrary code?
CVE-2020-12140 allows an attacker to execute arbitrary code by sending malicious L2CAP frames.
What is the severity of CVE-2020-12140?
CVE-2020-12140 has a severity of 8.8 (high).
What software versions are affected by CVE-2020-12140?
Contiki-NG versions up to and including 4.4 are affected by CVE-2020-12140.
Is there any fix available for CVE-2020-12140?
Yes, a fix has been implemented in Contiki-NG. Refer to the provided GitHub link for more information.
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