Kr00k WiFi Vulnerability

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...

Billions of Devices Open to Wi-Fi Eavesdropping Attacks

SAN FRANCISCO — A serious vulnerability in Wi-Fi chips has been discovered that affects billions of devices worldwide, according to researchers. It allows attackers to eavesdrop on Wi-Fi communications. The bug CVE-2019-15126 stems from the use of an all-zero encryption key in chips made by...

Wi-Fi Protected Network and Wi-Fi Protected Network 2 Information Disclosure Vulnerability

On February 26th, 2020, researchers Štefan Svorencík and Robert Lipovsky disclosed a vulnerability in the implementation of the wireless egress packet processing of certain Broadcom Wi-Fi chipsets. This vulnerability could allow an unauthenticated, adjacent attacker to decrypt Wi-Fi frames withou...

New Wi-Fi Encryption Vulnerability Affects Over A Billion Devices

Cybersecurity researchers today uncovered a new high-severity hardware vulnerability residing in the widely-used Wi-Fi chips manufactured by Broadcom and Cypress—apparently powering over a billion devices, including smartphones, tablets, laptops, routers, and IoT gadgets. Dubbed 'Kr00k ' and...

New Wi-Fi Encryption Vulnerability Affects Over A Billion Devices

Cybersecurity researchers today uncovered a new high-severity hardware vulnerability residing in the widely-used Wi-Fi chips manufactured by Broadcom and Cypress—apparently powering over a billion devices, including smartphones, tablets, laptops, routers, and IoT gadgets. Dubbed 'Kr00k' and track...

USN-4284-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. CVE-2019-14615 It was discovered that the Atheros 802.11ac wireless USB device driver in the...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4284-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4284-1 advisory. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacke...

2011/2012 Mac EFI firmware leaves BCM4331 wireless enabled when transferring control to the bootloader/OS

The EFI firmware on Macs contains a full-fledged network stack for downloading OS X images from osrecovery.apple.com. Unfortunately on Macs introduced 2011 and 2012, EFI brings up the Broadcom 4331 wireless card on every boot and leaves it enabled even after ExitBootServices has been called. The...

CVE-2019-15126

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...

CVE-2019-15126

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...

Information disclosure

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...

CVE-2019-15126

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...

CVE-2019-15126

CVE-2019-15126 affects Broadcom Wi‑Fi client devices. Timed and handcrafted WLAN traffic can trigger state‑transition errors, causing improper layer‑2 Wi‑Fi encryption and potential information disclosure over the air for a discrete traffic set. Connected docs reference Broadcom/Keystroke‑style e...

PT-2020-1885 · Broadcom +2 · Broadcom Wi-Fi Chips +2

Name of the Vulnerable Software and Affected Versions: Broadcom and Cypress Wi-Fi chips affected versions not specified Description: The issue is related to errors in synchronization when using a shared resource in Wi-Fi chipsets from Broadcom. This can allow a remote attacker to gain unauthorize...

CVE-2019-15126 aka Kr00k

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...

CVE-2019-9501

The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. By supplying a vendor information element with a data length larger than 32 bytes, a heap buffer overflow is triggered in wlcwpasupeapol. In the worst case scenario, by sending specially-crafted WiFi packets, a remote,...

CVE-2019-9501

The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. By supplying a vendor information element with a data length larger than 32 bytes, a heap buffer overflow is triggered in wlcwpasupeapol. In the worst case scenario, by sending specially-crafted WiFi packets, a remote,...

CVE-2019-9502

The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. If the vendor information element data length is larger than 164 bytes, a heap buffer overflow is triggered in wlcwpaplumbgtk. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated...

CVE-2019-9502

The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. If the vendor information element data length is larger than 164 bytes, a heap buffer overflow is triggered in wlcwpaplumbgtk. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated...

Heap overflow

The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. If the vendor information element data length is larger than 164 bytes, a heap buffer overflow is triggered in wlcwpaplumbgtk. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated...