{"id":203925,"date":"2025-01-17T06:25:24","date_gmt":"2025-01-17T12:25:24","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/01\/new-uefi-secure-boot-vulnerability-could-allow-attackers-to-load-malicious-bootkits"},"modified":"2025-01-17T06:25:24","modified_gmt":"2025-01-17T12:25:24","slug":"new-uefi-secure-boot-vulnerability-could-allow-attackers-to-load-malicious-bootkits","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/01\/new-uefi-secure-boot-vulnerability-could-allow-attackers-to-load-malicious-bootkits","title":{"rendered":"New UEFI Secure Boot Vulnerability Could Allow Attackers to Load Malicious Bootkits"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-uefi-secure-boot-vulnerability-could-allow-attackers-to-load-malicious-bootkits2.jpg\"><\/a><\/p>\n<p>\u201cCode executed in this early boot phase can persist on the system, potentially loading malicious kernel extensions that survive both reboots and OS reinstallation,\u201d the CERT Coordination Center (CERT\/CC) <a href=\"https:\/\/kb.cert.org\/vuls\/id\/529659\" rel=\"noopener\" target=\"_blank\">said<\/a>. \u201cAdditionally, it may evade detection by OS-based and endpoint detection and response (EDR) security measures.\u201d<\/p>\n<p>Malicious actors could further expand the scope of exploitation by bringing their own copy of the vulnerable \u201creloader.efi\u201d binary to any UEFI system with the Microsoft third-party UEFI certificate enrolled. However, elevated privileges are required to deploy the vulnerable and malicious files to the EFI system partition: local administrator on Windows and root on Linux.<\/p>\n<p>The Slovakian cybersecurity firm said it responsibly disclosed the findings to the CERT\/CC in June 2024, following which Howyar Technologies and their partners addressed the issue in the concerned products. On January 14, 2025, Microsoft revoked the old, vulnerable binaries as part of its <a href=\"https:\/\/thehackernews.com\/2025\/01\/3-actively-exploited-zero-day-flaws.html\" rel=\"noopener\" target=\"_blank\">Patch Tuesday update<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201cCode executed in this early boot phase can persist on the system, potentially loading malicious kernel extensions that survive both reboots and OS reinstallation,\u201d the CERT Coordination Center (CERT\/CC) said. \u201cAdditionally, it may evade detection by OS-based and endpoint detection and response (EDR) security measures.\u201d Malicious actors could further expand the scope of exploitation by [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-203925","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/203925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=203925"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/203925\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=203925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=203925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=203925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}