A remote vulnerability in the Shim layer allows bypassing UEFI Secure Boot
A vulnerability (CVE-2023-40547) has been identified in the Shim layer used in most Linux distributions for verified boot in UEFI Secure Boot mode, which may lead to remote code execution and bypassing the UEFI Secure Boot verification mechanism. An attacker controlling the HTTP server contacted by Shim could return a specially crafted response, leading to controlled writes into a buffer overflow area for […]
