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Dark Reading
Nearly a dozen vulnerable and now revoked UEFI shim bootloaders remained trusted for years, giving attackers a path to bypass Secure Boot.
Bleeping Computer
Microsoft used its AI-powered Security Copilot to discover 20 previously unknown vulnerabilities in the GRUB2, U-Boot, and Barebox open-source bootloaders. [...]
Dark Reading
Bleeping Computer
A critical vulnerability in the Shim Linux bootloader enables attackers to execute code and take control of a target system before the kernel is loaded, bypassing existing security mechanisms. [...]
The Hacker News
The maintainers of shim have released version 15.8 to address six security flaws, including a critical bug that could pave the way for remote code execution under specific circumstances. Tracked as CVE-2023-40547 (CVSS score: 9.8), the vulnerability could be exploited to achieve a Secure Boot bypass. Bill Demirkapi of the Microsoft Security Response Center (MSRC) has been&
Bleeping Computer
Some signed third-party bootloaders for the Unified Extensible Firmware Interface (UEFI) used by Windows could allow attackers to execute unauthorized code in an early stage of the boot process, before the operating system loads. [...]
The Hacker News
Cybersecurity researchers have disclosed two unpatched security vulnerabilities in the open-source U-Boot boot loader. The issues, which were uncovered in the IP defragmentation algorithm implemented in U-Boot by NCC Group, could be abused to achieve arbitrary out-of-bounds write and denial-of-service (DoS). U-Boot is a boot loader used in Linux-based embedded systems such as ChromeOS as well as
Bleeping Computer
Six vulnerabilities in the widely used U-Boot bootloader have been discovered that could allow attackers to execute malicious code during device boot, potentially enabling stealthy firmware attacks that compromise security protections and install persistent malware. [...]
The Hacker News
Researchers at firmware security firm Binarly have found six new flaws in U-Boot, the small program that starts up hardware as varied as home routers, smart cameras, and the management chips inside data-center servers. Four of the bugs can crash a device. The other two could let an attacker who slips a malicious image in front of the bootloader run their own code, before the device
The Register
190GB worth of internal files, looks like source code for proprietary tech including Knox, Bootloader and more Samsung has acknowledged its data was stolen after the Lapsus$ extortion gang deposited what appears to be 190GB of the company's stolen internal files online.…