Input validation error in ESP8266_NONOS_SDK and ESP-IDF - CVE-2019-12586
Published: September 10, 2019 / Updated: December 5, 2020
Vulnerability identifier: #VU20952
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-12586
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Espressif Systems
Affected software:
ESP8266_NONOS_SDK
ESP-IDF
ESP8266_NONOS_SDK
ESP-IDF
Detailed vulnerability description
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the EAP peer implementation processes EAP Success messages before any EAP method completion or failure. A local attacker in radio range can cause a denial of service (crash) via a crafted message.
How to mitigate CVE-2019-12586
Install update from vendor's website.