Improper input validation in Espressif Arduino Esp8266
CVE-2019-12588
The client 802.11 mac implementation in Espressif ESP8266_NONOS_SDK 2.2.0 through 3.1.0 does not validate correctly the RSN AuthKey suite list count in beacon frames, probe responses, and association responses, which allows attackers in radio range to cause a denial of service (crash) via a crafted message.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/espressif (Product)
- github.com/Matheus-Garbelini/esp32_esp8266_attacks (Exploit, Third Party Advisory)
- matheus-garbelini.github.io/home/post/esp8266-beacon-frame-crash/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12588?
- CVE-2019-12588 is a medium-severity vulnerability in Espressif Arduino Esp8266, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-09-04.
- How severe is CVE-2019-12588?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-12588 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.