Researchers Discover UEFI Bootkit Targeting Windows Computers Since 2012

Cybersecurity researchers on Tuesday revealed details of a previously undocumented UEFI Unified Extensible Firmware Interface bootkit that has been put to use by threat actors to backdoor Windows systems as early as 2012 by modifying a legitimate Windows Boot Manager binary to achieve persistence...

Google Extensible Service Proxy Header Forgery

Extensible Service Proxy a.k.a. ESP is an open source software by Google assisting Cloud Endpoints, a product on Google Cloud Platform. ESPv1 is an nginx based proxy which enables API management capabilities for JSON/REST or gRPC API services. In a typical deployment, ESP is running and fronting...

CVE-2021-41104

ESPHome is a system to control the ESP8266/ESP32. Anyone with webserver enabled and HTTP basic auth configured on version 2021.9.1 or older is vulnerable to an issue in which webserver allows over-the-air OTA updates without checking user defined basic auth username & password. This issue is...

CVE-2021-28139

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

CVE-2021-28139

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

CVE-2021-28139

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

Design/Logic Flaw

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

CVE-2021-28139

CVE-2021-28139 affects Espressif ESP-IDF 4.4 and earlier. The Bluetooth Classic stack fails to properly restrict the Feature Page on receiving an LMP Feature Response Extended packet, allowing a radio‑range attacker to inject eight bytes of arbitrary data outside the Extended Features Page Table ...

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-2021-28135

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...

Memory corruption

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...

Design/Logic Flaw

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-2021-28135

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-2021-28135

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-2021-28136

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...

PT-2021-4307

Name of the Vulnerable Software and Affected Versions Espressif ESP-IDF versions 4.4 and earlier Description The issue arises from insufficient input validation in the Bluetooth Classic implementation, allowing a remote attacker to cause a denial of service by flooding the target device with LMP...

PT-2021-4296

Name of the Vulnerable Software and Affected Versions Espressif ESP-IDF versions 4.4 and earlier Description The issue is related to the Bluetooth Classic implementation, which does not properly handle the reception of multiple LMP IO Capability Request packets during the pairing process. This...

PT-2021-4359

Name of the Vulnerable Software and Affected Versions espressif esp-idf affected versions not specified Description The issue is related to a buffer overflow in memory in the Bluetooth Classic implementation of the espressif esp-idf IoT application development environment. Exploitation of this...

CVE-2021-28136: Out-of-bounds Write

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...