{"id":53915,"date":"2018-01-05T15:12:58","date_gmt":"2018-01-05T07:12:58","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=53915"},"modified":"2018-01-08T10:36:06","modified_gmt":"2018-01-08T02:36:06","slug":"%e9%97%9c%e6%96%bc-intel-%e8%99%95%e7%90%86%e5%99%a8%e7%9a%84%e3%80%8cmeltdown%e3%80%8d%e8%88%87%e3%80%8cspectre%e3%80%8d%e6%bc%8f%e6%b4%9e%e6%82%a8%e8%a9%b2%e7%9f%a5%e9%81%93%e4%ba%9b%e4%bb%80","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=53915","title":{"rendered":"\u95dc\u65bc Intel \u8655\u7406\u5668\u7684\u300cMeltdown\u300d\u8207\u300cSpectre\u300d\u5169\u5927 CPU\u6f0f\u6d1e\u60a8\u8a72\u77e5\u9053\u4e9b\u4ec0\u9ebc\uff1f"},"content":{"rendered":"<p>Microsoft\u3001Linux\u3001Google \u548c Apple \u5df2\u958b\u59cb\u91cb\u51fa\u4fee\u88dc\u66f4\u65b0\u4f86\u89e3\u6c7a\u8cc7\u5b89\u7814\u7a76\u4eba\u54e1\u6240\u767c\u73fe\u4e26\u547d\u540d\u70ba\u300cMeltdown\u300d\u548c\u300cSpectre\u300d\u7684<a href=\"https:\/\/www.theregister.co.uk\/2018\/01\/02\/intel_cpu_design_flaw\/\">\u8655\u7406\u5668\u8a2d\u8a08\u6f0f\u6d1e<\/a>\u3002\u4ee5\u4e0b\u662f\u6709\u95dc\u9019\u4e9b\u6f0f\u6d1e\u60a8\u8a72\u77e5\u9053\u7684\u4e8b\u60c5\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2017\/05\/0513-1024x535.jpg\" alt=\"\u95dc\u65bcIntel \u8655\u7406\u5668\u6f0f\u6d1e,\u5fae\u8edf\u65b0\u4fee\u88dc\u7a0b\u5f0f\u90e8\u7f72\u6d41\u7a0b 8 \u500b\u5e38\u898b\u554f\u984c\" \/><\/p>\n<p><strong>\u300c<\/strong><strong>Meltdown<\/strong><strong>\u300d\u548c\u300c<\/strong><strong>Spectre<\/strong><strong>\u300d\u662f\u4ec0\u9ebc\uff1f<\/strong><\/p>\n<p><a href=\"https:\/\/meltdownattack.com\/meltdown.pdf\">Meltdown<\/a> \u662f\u4e00\u500b\u7de8\u865f\u70ba CVE-2017-5754 \u7684\u6f0f\u6d1e\uff0c\u53ef\u8b93\u99ed\u5ba2\u4ee5\u7cfb\u7d71\u6b0a\u9650\u5b58\u53d6\u61c9\u7528\u7a0b\u5f0f\u8207\u4f5c\u696d\u7cfb\u7d71\u6240\u7528\u5230\u7684\u67d0\u4e9b\u8a18\u61b6\u9ad4\u3002Meltdown \u6240\u5f71\u97ff\u7684\u662f Intel \u8655\u7406\u5668\u3002<\/p>\n<p><a href=\"https:\/\/spectreattack.com\/spectre.pdf\">Spectre<\/a> \u662f\u7de8\u865f CVE-2017-5753 \u8207 CVE-2017-5715 \u5169\u500b\u6f0f\u6d1e\u7684\u7d71\u7a31\uff0c\u53ef\u8b93\u99ed\u5ba2\u7aca\u53d6\u7cfb\u7d71\u6838\u5fc3\/\u5feb\u53d6\u6a94\u6848\u5167\u7684\u8cc7\u6599\uff0c\u6216\u662f\u57f7\u884c\u4e2d\u7a0b\u5f0f\u5132\u5b58\u5728\u8a18\u61b6\u9ad4\u5167\u7684\u8cc7\u6599\uff0c\u4f8b\u5982\uff1a\u767b\u5165\u6191\u8b49 (\u5bc6\u78bc\u3001\u91d1\u9470\u7b49\u7b49)\u3002\u6839\u64da<a href=\"https:\/\/arstechnica.com\/gadgets\/2018\/01\/meltdown-and-spectre-every-modern-processor-has-unfixable-security-flaws\/\">\u5831\u544a<\/a>\u6307\u51fa\uff0cSpectre \u6f0f\u6d1e\u6240\u5f71\u97ff\u7684\u8655\u7406\u5668\u5305\u62ec\uff1aIntel\u3001Advanced Micro Devices (AMD) \u53ca Advanced RISC Machine (ARM)\u3002<\/p>\n<p>\u4eca\u65e5\u7684\u8655\u7406\u5668\u8a2d\u8a08\u90fd\u5177\u5099\u300c<a href=\"https:\/\/www.wired.com\/story\/critical-intel-flaw-breaks-basic-security-for-most-computers\/\">\u9810\u6e2c\u57f7\u884c<\/a>\u300d\u529f\u80fd\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u5b83\u6703\u300c\u9810\u6e2c\u300d\u63a5\u4e0b\u4f86\u5c07\u8981\u57f7\u884c\u7684\u5de5\u4f5c\uff0c\u7136\u5f8c\u9810\u5148\u5c07\u9019\u4e9b\u5de5\u4f5c\u6392\u5165\u4f47\u5217\uff0c\u85c9\u6b64\u63d0\u9ad8\u8cc7\u6599\u8655\u7406\u6548\u7387\uff0c\u9032\u800c\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\/\u8edf\u9ad4\u7684\u57f7\u884c\u901f\u5ea6\u3002\u9019\u662f\u696d\u754c\u7528\u4f86\u8b93\u8655\u7406\u5668\u6548\u80fd\u6700\u4f73\u5316\u7684\u4e00\u9805\u6280\u5de7\uff0c\u4f46\u73fe\u5728\u9019\u9805\u6280\u5de7\u537b\u53ef\u80fd\u906d\u5230\u99ed\u5ba2\u5229\u7528\uff0c\u7d93\u7531\u9019\u9805\u6f0f\u6d1e\u4f86\u5b58\u53d6\u4e00\u4e9b\u6b63\u5e38\u60c5\u6cc1\u4e0b\u53d7\u5230\u9694\u96e2\u4fdd\u8b77\u7684\u8cc7\u6599\u3002<\/p>\n<p><strong>\u885d\u64ca\u5c64\u9762\u6709\u591a\u5927\uff1f<\/strong><\/p>\n<p>\u64da\u7a31\u81ea\u5f9e 1995 \u5e74\u8d77\u6240\u751f\u7522\u7684 Intel \u8655\u7406\u5668\u7686\u53d7\u5230 Meltdown \u6f0f\u6d1e\u6240\u5f71\u97ff\uff0c\u81f3\u65bc Spectre \u6f0f\u6d1e\u5247\u662f\u5f71\u97ff\u63a1\u7528 Intel\u3001AMD \u548c ARM \u8655\u7406\u5668\u7684\u88dd\u7f6e\u3002Meltdown \u6f0f\u6d1e\u8ddf\u63d0\u5347\u6b0a\u9650\u7684\u6a5f\u5236\u6709\u95dc\uff0cSpectre \u5247\u662f\u95dc\u65bc\u61c9\u7528\u7a0b\u5f0f\u5728\u8a18\u61b6\u9ad4\u5167\u7684\u654f\u611f\u8cc7\u6599\u53ef\u80fd\u906d\u5230\u5b58\u53d6\u3002<!--more--><\/p>\n<p>\u6f5b\u5728\u7684\u885d\u64ca\u5c64\u9762\u76f8\u7576\u5ee3\u6cdb\uff1a\u684c\u4e0a\u578b\u96fb\u8166\u3001\u7b46\u8a18\u578b\u96fb\u8166\u3001\u667a\u6167\u578b\u624b\u6a5f\u7b49\u7b49\uff0c\u51e1\u662f\u63a1\u7528\u53d7\u5f71\u97ff\u7684\u8655\u7406\u5668\uff0c\u90fd\u53ef\u80fd\u767c\u751f\u672a\u7d93\u6388\u6b0a\u7684\u8cc7\u6599\u5b58\u53d6\u8207\u7aca\u76dc\u3002\u6b64\u5916\uff0c\u51e1\u662f\u4f7f\u7528\u524d\u8ff0\u8655\u7406\u5668\u7684\u96f2\u7aef\u904b\u7b97\u3001\u865b\u64ec\u74b0\u5883\u3001\u4f7f\u7528\u8005\u5171\u7528\u4f3a\u670d\u5668\u7b49\u8cc7\u6599\u4e2d\u5fc3\u548c\u4f01\u696d\u74b0\u5883\uff0c\u4e5f\u90fd\u53d7\u5230\u5f71\u97ff\u3002<\/p>\n<p>\u53e6\u5916\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cWindows \u548c Linux \u4f5c\u696d\u7cfb\u7d71\u76ee\u524d\u6240\u91cb\u51fa\u7684\u4fee\u88dc\u66f4\u65b0\uff0c\u64da\u7a31\u53ef\u80fd\u964d\u4f4e 5% \u81f3 30% \u6548\u80fd\uff0c\u8996\u5de5\u4f5c\u8ca0\u8f09\u800c\u5b9a\u3002<\/p>\n<p>Google \u7684\u00a0<a href=\"https:\/\/googleprojectzero.blogspot.com\/2018\/01\/reading-privileged-memory-with-side.html\">Project Zero<\/a>\u00a0\u5718\u968a\u5df2\u91dd\u5c0d\u67d0\u4e9b\u8edf\u9ad4\u8b49\u660e\u4e86\u6f0f\u6d1e\u653b\u64ca\u7684\u53ef\u884c\u6027 (\u6982\u5ff5\u9a57\u8b49)\u3002\u6240\u5e78\uff0cIntel \u548c Google \u76ee\u524d\u5c1a\u672a\u770b\u5230\u771f\u6b63\u5229\u7528\u9019\u4e9b\u6f0f\u6d1e\u7684\u653b\u64ca\u3002<\/p>\n<p><strong>\u554f\u984c\u89e3\u6c7a\u4e86\u55ce\uff1f<\/strong><\/p>\n<p>Microsoft \u5df2\u6436\u5148\u5728\u6bcf\u6708\u5b9a\u671f\u66f4\u65b0\u4e4b\u524d\u767c\u51fa<a href=\"https:\/\/support.microsoft.com\/en-us\/help\/4056892\/windows-10-update-kb4056892\">\u5b89\u5168\u516c\u544a<\/a>\u8207<a href=\"https:\/\/portal.msrc.microsoft.com\/en-us\/security-guidance\/advisory\/adv180002\">\u5b89\u5168\u5efa\u8b70<\/a>\u4f86\u89e3\u6c7a Windows 10 \u7cfb\u7d71\u53ef\u80fd\u9762\u81e8\u7684\u4e0a\u8ff0\u554f\u984c\u3002\u81f3\u65bc Windows 7 \u548c Windows 8 \u7684\u4fee\u88dc\u66f4\u65b0\u5247\u9810\u5b9a\u5728 1 \u6708 9 \u65e5\u7684\u6bcf\u6708\u5b9a\u671f\u66f4\u65b0\u91cb\u51fa\u3002\u6b64\u5916\uff0cMicrosoft \u4e5f\u91dd\u5c0d<a href=\"https:\/\/support.microsoft.com\/en-us\/help\/4073119\/windows-client-guidance-for-it-pros-to-protect-against-speculative-exe\">\u7528\u6236\u7aef<\/a>\u548c<a href=\"https:\/\/support.microsoft.com\/en-us\/help\/4072698\/windows-server-guidance-to-protect-against-the-speculative-execution-s\">\u4f3a\u670d\u5668<\/a>\u767c\u5e03\u4e86\u76f8\u95dc\u7684\u5efa\u8b70\u548c\u6700\u4f73\u5be6\u52d9\u539f\u5247\u3002<\/p>\n<p>Google \u5df2\u91dd\u5c0d\u53ef\u80fd\u53d7\u5230\u5f71\u97ff\u7684\u57fa\u790e\u67b6\u69cb\u8207\u7522\u54c1 (YouTube\u3001Google Ads\u3001Chrome \u7b49\u7b49) \u63a8\u51fa\u9632\u7bc4\u63aa\u65bd\u3002\u540c\u6642\u4e5f\u767c\u8868\u4e86 Android \u7684\u5b89\u5168\u4fee\u88dc\u66f4\u65b0 (<a href=\"https:\/\/source.android.com\/security\/bulletin\/2018-01-01\">Security Patch Level<\/a>) \u4f86\u9632\u7bc4\u53ef\u80fd\u5229\u7528 Meltdown \u548c Spectre \u6f0f\u6d1e\u7684\u653b\u64ca\u3002\u6b64\u5916\u66f4\u5c07\u5728 1 \u6708 5 \u65e5\u91dd\u5c0d Android \u53e6\u5916\u91cb\u51fa\u4e00\u500b\u7368\u7acb\u7684\u5b89\u5168\u66f4\u65b0\u3002\u8acb\u6ce8\u610f\uff0c\u7531\u65bc Android \u7cfb\u7d71\u7684\u66f4\u65b0\u9700\u7d93\u7531 OEM \u5ee0\u5546\u53d6\u5f97\uff0c\u56e0\u6b64\u4f7f\u7528\u8005\u5fc5\u9808\u6839\u64da\u81ea\u5df1\u7684\u624b\u6a5f\u5ee0\u724c\u6d3d\u8a62\u76f8\u95dc\u5ee0\u5546\u3002Nexus \u548c Pixel \u88dd\u7f6e\u5247\u53ef\u81ea\u52d5\u4e0b\u8f09\u66f4\u65b0\u3002<\/p>\n<p>Apple \u7684 macOS \u4f5c\u696d\u7cfb\u7d71<a href=\"https:\/\/www.theregister.co.uk\/2018\/01\/02\/intel_cpu_design_flaw\/\">\u64da\u7a31<\/a>\u5728 10.13.2 \u7576\u4e2d\u5df2\u7d93\u4fee\u88dc\u4e86\u76f8\u95dc\u6f0f\u6d1e\u3002\u6b64\u5916\uff0c64 \u4f4d\u5143\u7684\u00a0<a href=\"https:\/\/developer.arm.com\/support\/security-update\">ARM \u6838\u5fc3<\/a>\u4e5f\u5df2\u7372\u5f97<a href=\"https:\/\/lwn.net\/Articles\/740393\/\">\u66f4\u65b0<\/a>\u3002VMWare \u4e5f<a href=\"https:\/\/www.vmware.com\/us\/security\/advisories\/VMSA-2018-0002.html?ClickID=cxvespvwpwfkk7izpsf7xfiqklqewesaenea\">\u767c\u5e03<\/a>\u4e86\u81ea\u5df1\u7684\u5b89\u5168\u5efa\u8b70\u3002Mozilla \u5718\u968a<a href=\"https:\/\/blog.mozilla.org\/security\/2018\/01\/03\/mitigations-landing-new-class-timing-attack\/\">\u5df2\u8b49\u5be6<\/a>\u99ed\u5ba2\u53ef\u80fd\u7d93\u7531\u700f\u89bd\u5668\u767c\u52d5\u653b\u64ca\uff0c\u56e0\u6b64\u4e5f\u63a8\u51fa\u4e86 Firefox 57 \u4f86\u89e3\u6c7a\u76f8\u95dc\u6f0f\u6d1e\u3002<\/p>\n<p>\u5ef6\u4f38\u95b1\u8b80:<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=53920\">\u95dc\u65bcIntel \u8655\u7406\u5668\u6f0f\u6d1e,\u5fae\u8edf\u65b0\u4fee\u88dc\u7a0b\u5f0f\u90e8\u7f72\u6d41\u7a0b 8 \u500b\u5e38\u898b\u554f\u984c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u3001Linux\u3001Google \u548c Apple \u5df2\u958b\u59cb\u91cb\u51fa\u4fee\u88dc\u66f4\u65b0\u4f86\u89e3\u6c7a\u8cc7\u5b89\u7814\u7a76\u4eba\u54e1\u6240\u767c\u73fe\u4e26\u547d\u540d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[3650,3654,179],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/53915"}],"collection":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=53915"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/53915\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=53915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=53915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=53915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}