Description

An issue was discovered on Broadcom Wi-Fi client devices. Specifically timed and handcrafted traffic can cause internal errors (related to state transitions) in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic, a different vulnerability than CVE-2019-9500, CVE-2019-9501, CVE-2019-9502, and CVE-2019-9503.

References

http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en

http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en

https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001

https://support.apple.com/kb/HT210721

https://support.apple.com/kb/HT210722

https://support.apple.com/kb/HT210788

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure

https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05

https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/

https://www.synology.com/security/advisory/Synology_SA_20_03

Details

Risk Information

CVSS v2

CVSS v3