CVE-2023-24932

CVE-2023-24932 is a Secure Boot bypass vulnerability. It involves a Microsoft-signed UEFI application using the IhisiParamBuffer NVRAM variable to bypass Security2 verification, potentially allowing execution of unsigned binaries during early boot. Affected components include DT Research’s DtBios...

CVE-2023-24932 Secure Boot Security Feature Bypass Vulnerability

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kernel: driver core: Fix wait_for_device_probe() & deferred_probe_timeout interaction

In the Linux kernel, the following vulnerability has been resolved: driver core: Fix waitfordeviceprobe & deferredprobetimeout interaction Mounting NFS rootfs was timing out when deferredprobetimeout was non-zero 1. This was because ipautoconfig initcall times out waiting for the network interfac...

kernel: ASoC: SOF: Intel: hda-ipc: Do not process IPC reply before firmware boot

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda-ipc: Do not process IPC reply before firmware boot It is not yet clear, but it is possible to create a firmware so broken that it will send a reply message before a FWREADY message it is not yet clear if...

kernel: drm/i915: fix null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: drm/i915: fix null pointer dereference Asus chromebook CX550 crashes during boot on v5.17-rc1 kernel. The root cause is null pointer defeference of binext in tglgetbwinfo in drivers/gpu/drm/i915/display/intelbw.c. BUG: kernel NUL...

shim: 3rd party shim allow secure boot bypass

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...

shim: 3rd party shim allow secure boot bypass

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...

Moderate: Red Hat Security Advisory: fwupd security and bug fix update

An update for fwupd is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

shim: 3rd party shim allow secure boot bypass

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...

CVE-2023-24932 に関連するセキュア ブート マネージャーの変更に関するガイダンス

本ブログは、Guidance related to Secure Boot Manager changes associated with CVE-2023-24932 の抄訳版です。最新の情報は原文を参照してください。 概要...

Guidance related to Secure Boot Manager changes associated with CVE-2023-24932

Summary Today, Microsoft is releasing CVE-2023-24932, and associated configuration guidance, to address a Secure Boot bypass vulnerability used by the BlackLotus bootkit to exploit CVE-2022-21894. Customers will need to closely follow the configuration guidance to fully protect against this...

Guidance related to Secure Boot Manager changes associated with CVE-2023-24932

Summary Summary Today, Microsoft is releasing CVE-2023-24932, and associated configuration guidance, to address a Secure Boot bypass vulnerability used by the BlackLotus bootkit to exploit CVE-2022-21894. Customers will need to closely follow the configuration guidance to fully protect against th...

Secure Boot Security Feature Bypass Vulnerability

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CVE-2023-24932

creationtimestamp| type| source ---|---|--- 2023-05-09 05:00:00+00:00| seen| https://msrc.microsoft.com/blog/2023/05/guidance-related-to-secure-boot-manager-changes-associated-with-cve-2023-24932/ 2023-05-09 22:12:11+00:00| exploited| https://t.me/ctinow/110762 2023-05-09 22:39:11+00:00| seen|...

Ransomware attack on MSI led to compromised Intel Boot Guard private keys

On April 7, 2023 MSI Micro-Star International released a statement confirming a cyberattack on part of its information systems. While the statement does not reveal a lot of tangible information, this snippet is important: "MSI urges users to obtain firmware/BIOS updates only from its official...

PT-2023-2625

Name of the Vulnerable Software and Affected Versions Windows versions prior to July 9, 2024 Description A security-feature bypass issue exists in the Windows Secure Boot implementation due to errors in accessing debugging functions during the boot process. This flaw allows an attacker to bypass...

VulnCheck KEV: CVE-2023-24932

Secure Boot Security Feature Bypass Vulnerability...

Microsoft Windows Secure Boot 安全漏洞

Microsoft Windows Secure Boot is a secure boot from Microsoft Corporation USA. Microsoft Windows Secure Boot has a security vulnerability. The following products and editions are affected:Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows 10 Version...

Microsoft Windows Secure Boot 安全漏洞

Microsoft Windows Secure Boot is a secure boot from Microsoft Corporation USA. Microsoft Windows Secure Boot has a security vulnerability. The following products and editions are affected:Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows 10 Version...

This Week in Spring - May 9th, 2023

Hi, Spring fans! Welcome to another wonderful, fancyful installment of This Week in Spring! I was just at the first Devoxx GR, in the sunny mediterranean city of Athens, Greece. Uh, yah, this was a good'un. If you can get to it, you should. Don't miss next year's installment if you missed this on...