{"id":1488,"date":"2023-05-10T02:00:58","date_gmt":"2023-05-09T17:00:58","guid":{"rendered":"https:\/\/m365jp.xyz\/?p=1488"},"modified":"2023-05-10T02:07:12","modified_gmt":"2023-05-09T17:07:12","slug":"mc552655-take-action-additional-guidance-and-manual-steps-required-for-devices-using-secure-boot-to-address-cve-2023-24932","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2023-05-10-mc552655-take-action-additional-guidance-and-manual-steps-required-for-devices-using-secure-boot-to-address-cve-2023-24932","title":{"rendered":"MC552655 | Take action: Additional guidance and manual steps required for devices using Secure Boot to address CVE-2023-24932"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC552655 | Take action: Additional guidance and manual steps required for devices using Secure Boot to address CVE-2023-24932<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>preventOrFixIssue<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>05\/09\/2023 16:56:36<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>05\/09\/2023 16:56:28<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>05\/09\/2024 16:56:28<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<div>Security updates released May 9, 2023 and later contain security hardening changes to protect against vulnerabilities tracked by  <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2023-24932\" rel=\"noopener noreferrer\" target=\"_blank\">  CVE-2023-24932<\/a> that can bypass the Secure Boot security feature using the BlackLotus UEFI bootkit. These hardening changes are available, but not enabled by default in these updates.&nbsp;<\/div>\n<div>&nbsp;&nbsp;<\/div>\n<div><b>When will this happen:<\/b>&nbsp;<\/div>\n<div>Updates released May 9, 2023 and later contain protections required to address  <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2023-24932\" rel=\"noopener noreferrer\" target=\"_blank\">  CVE-2023-24932<\/a>. The security hardening for <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2023-24932\" rel=\"noopener noreferrer\" target=\"_blank\">  CVE-2023-24932<\/a> will be done in phases, as steps must be taken to prevent issues on your device when the revocations are applied\/enabled.&nbsp;<\/div>\n<div>&nbsp;&nbsp;<\/div>\n<div><b>What you need to do to prepare:<\/b>&nbsp;<\/div>\n<div>For information on how to enable the revocations and what is required before you should enable the revocations, see  <a href=\"https:\/\/support.microsoft.com\/help\/5025885\" rel=\"noopener noreferrer\" target=\"_blank\">  KB5025885: How to manage the Windows Boot Manager revocations for Secure Boot changes associated with CVE-2023-24932<\/a>.&nbsp;<\/div>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<div>2023 \u5e74 5 \u6708 9 \u65e5\u4ee5\u964d\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u3001BlackLotus UEFI \u30d6\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30bb\u30ad\u30e5\u30a2 \u30d6\u30fc\u30c8 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u30d0\u30a4\u30d1\u30b9\u3067\u304d\u308b  <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2023-24932\" rel=\"noopener noreferrer\" target=\"_blank\">  CVE-2023-24932<\/a> \u306b\u3088\u3063\u3066\u8ffd\u8de1\u3055\u308c\u305f\u8106\u5f31\u6027\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u5909\u66f4\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5f37\u5316\u306e\u5909\u66f4\u306f\u4f7f\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u65e2\u5b9a\u3067\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002&nbsp;<\/div>\n<div>&nbsp;&nbsp;<\/div>\n<div><b>\u3053\u308c\u306f\u3044\u3064\u8d77\u3053\u308a\u307e\u3059\u304b:<\/b>&nbsp;<\/div>\n<div>2023 \u5e74 5 \u6708 9 \u65e5\u4ee5\u964d\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u3001 <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2023-24932\" rel=\"noopener noreferrer\" target=\"_blank\">  CVE-2023-24932<\/a> \u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u4fdd\u8b77\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2023-24932\" rel=\"noopener noreferrer\" target=\"_blank\">  CVE-2023-24932<\/a> \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306f\u6bb5\u968e\u7684\u306b\u884c\u308f\u308c\u307e\u3059, \u5931\u52b9\u304c\u9069\u7528\/\u6709\u52b9&nbsp;\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u30c7\u30d0\u30a4\u30b9\u306e\u554f\u984c\u3092\u9632\u3050\u305f\u3081\u306e\u624b\u9806\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081.<\/div>\n<div>&nbsp;&nbsp;<\/div>\n<div><b>\u6e96\u5099\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3053\u3068:<\/b>&nbsp;<\/div>\n<div>\u5931\u52b9\u3092\u6709\u52b9\u306b\u3059\u308b\u65b9\u6cd5\u3068\u3001\u5931\u52b9\u3092\u6709\u52b9\u306b\u3059\u308b\u524d\u306b\u5fc5\u8981\u306a\u3082\u306e\u306b\u3064\u3044\u3066\u306f\u3001\u300c <a href=\"https:\/\/support.microsoft.com\/help\/5025885\" rel=\"noopener noreferrer\" target=\"_blank\">  KB5025885: CVE-2023-24932 \u306b\u95a2\u9023\u3059\u308b\u30bb\u30ad\u30e5\u30a2 \u30d6\u30fc\u30c8\u306e\u5909\u66f4\u306b\u5bfe\u3059\u308b Windows \u30d6\u30fc\u30c8 \u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306e\u5931\u52b9\u3092\u7ba1\u7406\u3059\u308b\u65b9\u6cd5<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002&nbsp;<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC552655 | Take action: Additional guidance and manual steps required for devices using Secure Boot to address 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