CVE-2022-24936 Gecko Standalone Bootloader vulnerability may allow bypassing application secure boot in some Series 2 devices

Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade...

CVE-2022-40261

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

CVE-2022-40250

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

PT-2022-25306 · Unknown · Overclocksmihandler

Name of the Vulnerable Software and Affected Versions: OverClockSmiHandler affected versions not specified Description: An attacker can exploit this issue to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than the...

CVE-2022-34301

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34302

A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34302

A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34303

A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use...

The vulnerability of the Linux operating system’s kernel allows a hacker to bypass the secure boot mechanism and gain increased privileges.

The vulnerability of the Linux operating system’s kernel is related to security configuration errors. Exploiting this vulnerability can allow an attacker to bypass secure boot mechanisms and increase their privileges...

Ubuntu: Security Advisory (USN-5465-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2022-34301

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

Signed third party UEFI bootloaders are vulnerable to Secure Boot bypass

Overview A security feature bypass vulnerability exists in signed 3rd party UEFI bootloaders that allows bypass of the UEFI Secure Boot feature. An attacker who successfully exploits this vulnerability can bypass the UEFI Secure Boot feature and execute unsigned code during the boot process...

PT-2022-4106

Name of the Vulnerable Software and Affected Versions New Horizon Datasys bootloaders before 2022-06-01 Description A flaw was found in the bootloaders, allowing an attacker to bypass or tamper with Secure Boot protections. To load and execute arbitrary code in the pre-boot stage, an attacker nee...

PT-2022-4307 · Microsoft +3 · Windows +3

Name of the Vulnerable Software and Affected Versions: Eurosoft bootloaders versions prior to 2022-06-01 Description: A flaw was found in Eurosoft bootloaders that allows an attacker to bypass or tamper with Secure Boot protections. To load and execute arbitrary code in the pre-boot stage, an...

ALPINE-CVE-2021-3697

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerabili...

AZL-31036 CVE-2021-3697 affecting package grub2 for versions less than 2.06-12

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerabili...

AZL-34785 CVE-2021-3697 affecting package grub2 for versions less than 2.06-14

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerabili...

CVE-2021-3697

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerabili...

UBUNTU-CVE-2021-3696

A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding and positioning of...

UBUNTU-CVE-2021-3695

A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker may take advantage of that to cause heap data corruption or eventually arbitrary code execution and circumvent secure boot protections. This issue has a high complexity to be exploited as an...