Memory handling issues in U-Boot open-source bootloader for embedded devices make possible multiple exploitation techniques that lead to arbitrary code execution. U-Boot, short for the Universal Boot ...
This tutorial provides a general description of updating Linux-based firmware and illustrates it with some specific implementations. First, consider the sections of the memory system (Figure 1) and ...
A severe vulnerability exists in almost all signed versions of GRUB2 bootloader used by most Linux systems. When properly exploited, it could allow threat actors to compromise an operating system’s ...