CVE-2021-31785

The CVE-2021-31785 issue affects the Bluetooth Classic implementation in Actions ATS2815 and ATS2819 chipsets. It arises when multiple LMP_host_connection_req packets are received, enabling a nearby attacker to cause a device deadlock/DoS in Bluetooth that requires manual user intervention to reb...

CVE-2021-31786

The Bluetooth Classic Audio implementation on Actions ATS2815 and ATS2819 devices does not properly handle a connection attempt from a host with the same BDAddress as the current connected BT host, allowing attackers to trigger a disconnection and deadlock of the device by connecting with a forge...

CVE-2021-31611

The CVE-2021-31611 issue affects Zhuhai Jieli AC690X and AC692X Bluetooth Classic stacks. A malformed LMP packet following an out-of-order LMP Setup procedure can cause a deadlock in radio range devices, requiring a manual reboot to restore communication. Connected sources (NVD/Red Hat/CVE record...

CVE-2021-31611

The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle an out-of-order LMP Setup procedure that is followed by a malformed LMP packet, allowing attackers in radio range to deadlock a device via a crafted LMP packet. The user needs to manually reboo...

CVE-2021-31613

The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle the reception of a truncated LMP packet during the LMP auto rate procedure, allowing attackers in radio range to immediately crash and restart a device via a crafted LMP packet...

CVE-2021-34150

The Bluetooth Classic implementation on Bluetrum AB5301A devices with unknown firmware versions does not properly handle the reception of oversized DM1 LMP packets while no other BT connections are active, allowing attackers in radio range to prevent new BT connections disabling the AB5301A inqui...

CVE-2021-28155

The CVE-2021-28155 issue affects the JBL TUNE500BT Bluetooth Classic implementation. The vulnerability arises from mishandling of continuous unsolicited LMP responses, enabling attackers in radio range to trigger a denial of service by flooding the target with LMP Feature Response data, which can...

CVE-2021-28155

The Bluetooth Classic implementation on JBL TUNE500BT devices does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and shutdown a device by flooding the target device with LMP Feature Response data...

CVE-2021-28135

CVE-2021-28135 affects Espressif ESP-IDF (Espressif ESP32) Bluetooth Classic stack. The vulnerability is due to improper handling of continuous unsolicited LMP responses, allowing a remote attacker in radio range to cause a denial-of-service (crash) by flooding the device with LMP Feature Respons...

CVE-2021-28135

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service crash in ESP32 by flooding the target device with LMP Feature Response data...

CVE-2021-34144

The CVE-2021-34144 entry concerns the Zhuhai Jieli AC6366C Bluetooth Classic implementation (SDK up to 0.9.1). The vulnerability lies in the handling of truncated LMP_SCO_Link_Request packets when no other BT connections are active, due to improper processing in the Bluetooth Classic stack. This ...

CVE-2021-34144

The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C BT SDK through 0.9.1 does not properly handle the reception of truncated LMPSCOLinkRequest packets while no other BT connections are active, allowing attackers in radio range to prevent new BT connections disabling the AB5301A inqui...

CVE-2021-28136

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of multiple LMP IO Capability Request packets during the pairing process, allowing attackers in radio range to trigger memory corruption and consequently a crash in ESP32 via a replaye...

CVE-2021-28136

The CVE affects Espressif ESP-IDF 4.4 and earlier’s Bluetooth Classic stack. Root cause: ESP32’s handling of multiple LMP IO Capability Request packets during pairing allows a replayed/duplicated LMP packet to trigger memory corruption and a crash. Impact stated in sources: attacker in radio rang...

Tracking People by their MAC Addresses

Yet another article on the privacy risks of static MAC addresses and always-on Bluetooth connections. This one is about wireless headphones. The good news is that product vendors are fixing this: Several of the headphones which could be tracked over time are for sale in electronics stores, but...

Bluetrum AB5301A 缓冲区错误漏洞

The Bluetrum AB5301A is a speaker from Bluetrum's Centric Bluetooth. The Bluetrum AB5301A suffers from a buffer error vulnerability that stems from the Bluetooth Classic implementation on a Bluetrum AB5301A device with an unknown firmware version being unable to correctly handle the reception of...

Zhuhai Jieli AC690X输入验证错误漏洞

The Zhuhai Jieli AC690X is a Bluetooth chip. The Zhuhai Jieli AC690X suffers from an input validation error vulnerability that stems from the Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices failing to properly handle a garbled LMP setup program followed by a misformatte...

JBL TUNE500BT输入验证错误漏洞

The JBL TUNE500BT is a Bluetooth headset from harman. The JBL TUNE500BT suffers from an input validation error vulnerability that stems from the Bluetooth Classic implementation on the JBL TUNE500BT device failing to properly handle the reception of successive unsolicited LMP responses, allowing ...

Silicon Labs iWRAP 安全漏洞

Silicon Labs iWRAP is silabs' embedded Bluetooth stack for the Bluegiga Legacy Bluetooth Classic module. A security vulnerability exists in Silicon Labs iWRAP that stems from the Bluetooth Classic implementation in Silicon Labs iWRAP 6.3.0 and earlier versions not properly handling the reception ...

Cypress WICED BT 输入验证错误漏洞

Cypress WICED BT is a full-featured platform from cypress. The Cypress WICED BT suffers from an input validation error vulnerability that stems from the Bluetooth Classic implementation in the Cypress WICED BT stack via 2.9.0 for CYW20735B1 not being able to correctly handle the receipt of an...