Input validation error in ESP-IDF and ESP8266_NONOS_SDK - CVE-2019-12586

 

Input validation error in ESP-IDF and ESP8266_NONOS_SDK - CVE-2019-12586

Published: September 10, 2019 / Updated: December 5, 2020


Vulnerability identifier: #VU20952
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2019-12586
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

ESP-IDF
ESP8266_NONOS_SDK

How to mitigate CVE-2019-12586

Install update from vendor's website.


External References

Related Security Bulletins