Vulnerability Description
Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler function in blufi_prf.c. An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. With manipulated packet fields, there is a buffer overflow.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Espressif | Esp-Idf | >= 2.0.0, <= 2.1.1 |
Related Weaknesses (CWE)
References
- https://github.com/espressif/esp-idfThird Party Advisory
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.mdThird Party Advisory
- https://github.com/espressif/esp-idfThird Party Advisory
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.mdThird Party Advisory
FAQ
What is CVE-2020-16146?
CVE-2020-16146 is a vulnerability with a CVSS score of 7.5 (HIGH). Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler...
How severe is CVE-2020-16146?
CVE-2020-16146 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-16146?
Check the references section above for vendor advisories and patch information. Affected products include: Espressif Esp-Idf.