CVE-2019-12586

Public Exploit

Description

The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 processes EAP Success messages before any EAP method completion or failure, which allows attackers in radio range to cause a denial of service (crash) via a crafted message.

6.5

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 3.72% Top 15%

Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.io

Affected: n/a n/a

References

Link	Tags
https://github.com/espressif	third party advisory
https://github.com/Matheus-Garbelini/esp32_esp8266_attacks	third party advisory exploit
https://matheus-garbelini.github.io/home/post/esp32-esp8266-eap-crash/	patch third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-12586?: CVE-2019-12586 has been scored as a medium severity vulnerability.
How to fix CVE-2019-12586?: To fix CVE-2019-12586, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-12586 being actively exploited in the wild?: It is possible that CVE-2019-12586 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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