Medium severity · published Sep 4, 2019
CVE-2019-12586
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…
6.5
CVSS
1.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
Arduino-esp32 · Espressif
through 1.0.2; 1.0.3; 1.0.3; 1.0.3 · source: NVD
ES
Esp-idf · Espressif
2.0.0 through 4.0.0 · source: NVD
EN
Esp8266 Nonos Sdk · Espressif
2.2.0 through 3.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12586
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12586
Exploit
https://github.com/Matheus-Garbelini/esp32_esp8266_attacks
Third Party Advisory
https://github.com/espressif
Exploit
https://matheus-garbelini.github.io/home/post/esp32-esp8266-eap-crash/
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