Kr00k
Kr00k is a security vulnerability that allows some WPA2 encrypted WiFi traffic to be decrypted.[1] The vulnerability was originally discovered by security company ESET in 2019 and assigned CVE-2019-15126 on August 17th, 2019.[2] ESET estimates that this vulnerability affects over a billion devices. [3]
CVE identifier(s) | CVE-2019-15126 |
---|---|
Date discovered | 2019 |
Discoverer | ESET |
Affected hardware | Broadcom and Cypress Semiconductor WiFI chips |
Website | https://www.eset.com/int/kr00k/ |
Patches
The vulnerability is known to be patched in:
- iOS 13.2 and iPadOS 13.2 - October 28, 2019 [1]
- macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006 - October 29, 2019 [1]
Vulnerable Devices
During their research, ESET confirmed over a dozen popular devices were vulnerable.[3]
Cisco has found several of their devices to be vulnerable and are working on patches.[4] They are tracking the issue with advisory id cisco-sa-20200226-wi-fi-info-disclosure.[5]
Known vulnerable devices include:
- Amazon Echo 2nd gen
- Amazon Kindle 8th gen
- Apple iPad mini 2
- Apple iPhone 6, 6S, 8, XR
- Apple MacBook Air Retina 13-inch 2018
- Asus wireless routers (RT-AC1200G+, RT-AC68U), but fixed in firmware Version 3.0.0.4.382.5161220 during March 2020
- Google Nexus 5
- Google Nexus 6
- Google Nexus 6P
- Raspberry Pi 3
- Samsung Galaxy S4 GT-I9505
- Samsung Galaxy S8
- Xiaomi Redmi 3S
References
- "A serious vulnerability deep inside Wi-Fi encryption | ESET". www.eset.com. Retrieved 2020-02-28.
- "Kr00K vulnerability affects devices with Broadcom and Cypress Wi-Fi chips". xda-developers. 2020-02-27. Retrieved 2020-02-28.
- https://www.welivesecurity.com/wp-content/uploads/2020/02/ESET_Kr00k.pdf
- Osborne, Charlie. "Cisco patches incoming to address Kr00k vulnerability impacting routers, firewall products". ZDNet. Retrieved 2020-02-28.
- "Wi-Fi Protected Network and Wi-Fi Protected Network 2 Information Disclosure Vulnerability". tools.cisco.com. Retrieved 2020-02-28.
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