Orchestrated-Powershell-for-CVE-2023-24932-en

Secure Boot Mitigation Orchestrator Script Overview This PowerShell script automates the Secure Boot mitigation steps for CVE-2023-24932 , as outlined in the Microsoft Security Guidance. It handles the entire process, including registry updates, reboots, and event log validation, to ensure your...

CVE-2025-0690

CVE-2025-0690: Integer Overflow Vulnerability in GRUB2 🛡️ Overview CVE-2025-0690 is a critical integer overflow vulnerability in the GRUB2 boot loader, allowing arbitrary code execution and Secure Boot bypass. This flaw affects systems that rely on GRUB2 for secure boot, exposing the system before...

Orchestrated-Powershell-for-CVE-2023-24932

Secure Boot Orchestrator CVE-2023-24932 Automates the full Secure Boot mitigation for CVE-2023-24932 BlackLotus. Handles all registry changes, reboots, and verification automatically. Requirements Windows 10/11 or Server 2016+ Administrator privileges Secure Boot enabled Cumulative Update = July...

Rocky Linux 9 [CIQ] Security Update: grub2-common / grub2-efi-aa64 / grub2-efi-aa64-cdboot / etc Multiple Vulnerabilities (crlsa-2023_0752)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20230752 advisory. grub2: Buffer overflow in grubfontconstructglyph can lead to out-of-bound write and possible secure boot bypass CVE-2022-2601 grub2: Heap based out-of-boun...

CentOS Linux 8 [TuxCare] Security Update: grub2-efi-ia32-cdboot / grub2-efi-ia32-modules / grub2-efi-x64 / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2025:1744213211)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2025:1744213211 advisory. - A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of...

AlmaLinux 9.2 [TuxCare] Security Update: grub2-common / grub2-efi-aa64-modules / grub2-efi-x64 / etc (ALMALINUX9.2:CLSA-2026:1779370563)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1779370563 advisory. - A flaw was found in grub2. When performing a symlink lookup, the grub's UFS module checks the inode's data size to allocate the internal...

CVE-2024-7344

🐞 CVE-2024-7344: Improper PE Image Loading This repository contains research material related to CVE-2024-7344, a Secure Boot bypass vulnerability affecting UEFI systems. It centralizes technical analysis of the vulnerability, attack flow documentation, and recreated applications designed to...

CVE-2025-47827

CVE-2025-47827 Proof-of-concept and vulnerability report for CVE-2025-47827. Contents Description Disclosure Impact Detection Mitigation Binaries Proof of Concept Resources Description In IGEL OS before v11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a...

CVE-2026-25250

🕷️ CVE-2026-25250: Improper Trusted Bootloader Chain Validation A Microsoft-signed third-party bootloader that loads a secondary EFI binary with no signature or integrity verification, collapsing the Secure Boot chain of trust from within. 📑 Table of Contents Research Context Official References...

virt-firmware

Tools for ovmf / armvirt firmware volumes This is a small collection of tools for edk2 firmware images. They support decoding and printing the content of firmware volumes. Variable stores OVMFVARS.fd can be modified, for example to enroll secure boot certificates. virt-fw-dump Decodes and prints...

BootHoleFix

Boot Hole Fix This script will remediate the BootHole bug identified in CVE-2020-25632 and/or CVE-2021-20233. On July 29, 2020, Microsoft published security advisory 200011 that describes a new vulnerability that's related to Secure Boot. Devices that trust the Microsoft third-party Unified...

CVE-2022-34301

🕷️ CVE-2022-34301 - Eurosoft Boot Loader Vulnerability Eurosoft Pc-Check UEFI Diagnostics Shell - Bring Your Own Vulnerable UEFI Application BYOVUA - Secure Boot bypass via signed UEFI Shell and gSecurity2 corruption. 📑 Table of Contents Overview Background Bring Your Own Vulnerable UEFI...

CVE-2022-34303

🕷️ CVE-2022-34303 - CryptoPro Boot Loader Vulnerability CryptoPro Secure Disk UEFI Shell - Bring Your Own Vulnerable UEFI Application BYOVUA - Secure Boot bypass via signed UEFI Shell and gSecurity2 corruption. 📑 Table of Contents Overview Background Bring Your Own Vulnerable UEFI Application The...

rp2350_hacking_challenge

RP2350 Hacking Challenge Welcome to the Raspberry Pi RP2350 hacking challenge and bug bounty! Watch our quick explainer video: Update Jan 14th 2025 Congatulations to the 4 winners! Read about them allhere. A huge thank you to Thomas Roth and the team at Hextree.io for helping us develop and launc...

Vendor-signed UEFI Shell applications allow Secure Boot bypass

Overview Vendor-signed UEFI Shell applications may allow an attacker to bypass Secure Boot protections by abusing commands such as mm Memory Modify. On systems that trust the affected vendor’s certificate or include the application’s Authenticode hash in the UEFI Authorized Signature Database DB,...

Cisco UCS Manager UEFI Shell Secure Boot Bypass (cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW)

According to its self-reported version, Cisco UCS Manager Software is affected by a vulnerability. - A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials fo...

Cisco Integrated Management Controller UEFI Shell Secure Boot Bypass (cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW)

According to its self-reported version, the Cisco Integrated Management Controller is affected by a vulnerability. - A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with vali...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. A specially crafted JPEG file can cause the JPEG parser in grub2 to incorrectly check the boundaries of its internal buffers, leading to an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is still a concer...

Astra Linux – Vulnerability in grub2

The GRUB2’s shimlock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules being loaded in GRUB2, thereby breaking the secure boot trust-chain...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, if the IMA appraisal method is used with the “imaappraiselog” boot parameter, lockdown can be circumvented using kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents the “imaappraiselog” parameter from being set during boot, but this does not cover...