Input validation error in ESP-IDF and ESP8266_NONOS_SDK - CVE-2019-12587

 

Input validation error in ESP-IDF and ESP8266_NONOS_SDK - CVE-2019-12587

Published: September 9, 2019 / Updated: December 5, 2020


Vulnerability identifier: #VU20936
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2019-12587
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Espressif Systems
Affected software:
ESP-IDF
ESP8266_NONOS_SDK

Detailed vulnerability description

The vulnerability allows a local attacker to gain access to sensitive information.

The vulnerability exists due to the EAP peer implementation allows the installation of a zero Pairwise Master Key (PMK) after the completion of any EAP authentication method. A local attacker in radio range can replay, decrypt, or spoof frames via a rogue access point.


How to mitigate CVE-2019-12587

Install update from vendor's website.

Sources