{"id":1858,"date":"2022-04-20T14:19:29","date_gmt":"2022-04-20T06:19:29","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=1858"},"modified":"2023-02-13T11:06:04","modified_gmt":"2023-02-13T03:06:04","slug":"%e8%81%af%e6%83%b3lenovo%e8%a8%ad%e5%82%99%e7%9a%84%e9%9f%8c%e9%ab%94%e6%9b%9d3%e9%a0%85uefi%e6%bc%8f%e6%b4%9e%ef%bc%8c%e5%8f%af%e5%bd%b1%e9%9f%bf%e8%87%b3%e5%b0%91-100-%e6%ac%be%e6%a9%9f%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=1858","title":{"rendered":"\u806f\u60f3Lenovo\u8a2d\u5099\u7684\u97cc\u9ad4\u66dd3\u9805UEFI\u6f0f\u6d1e\uff0c\u53ef\u5f71\u97ff\u81f3\u5c11 100 \u6b3e\u6a5f\u578b\uff0c\u591a\u9054\u6578\u767e\u842c\u53f0\u7b46\u96fb"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"576\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-14.png\" alt=\"\" class=\"wp-image-1860\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-14.png 865w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-14-300x200.png 300w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-14-768x511.png 768w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><figcaption class=\"wp-element-caption\">Photo Credit: HVEPhoto via Shutterstock<\/figcaption><\/figure>\n\n\n\n<p>\u7d9c\u5408\u8cc7\u5b89\u5916\u5a92\u5831\u5c0e\uff0cESET \u7684\u7814\u7a76\u4eba\u54e1\u65bc 2021 \u5e74 10 \u6708\u9996\u6b21\u5411\u806f\u60f3\u5831\u544a\uff0c\u6709\u4e09\u500b\u9ad8\u98a8\u96aa\u6f0f\u6d1e\u5f71\u97ff\u7d71\u4e00\u53ef\u5ef6\u4f38\u97cc\u9ad4\u4ecb\u9762\uff08Unified Extensible Firmware Interface\uff0cUEFI\uff09\uff0c\u5373CVE-2021-3970\u3001CVE-2021-3971\u548cCVE-2021-3972\uff0c\u5df2\u88ab\u767c\u73fe\u5b83\u5011\u6703\u5f71\u97ff\u806f\u60f3\u7684\u5404\u7a2e\u8a2d\u5099\uff0c\u5982\u806f\u60f3Flex\u3001IdeaPads\u548cYoga\u7b49\u7b46\u96fb\uff0c \u9019\u53ef\u8f49\u5316\u70ba\u6578\u767e\u842c\u7528\u6236\u64c1\u6709\u6613\u53d7\u653b\u64ca\u7684\u8a2d\u5099\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/hashtag\/ESETresearch?src=hash&amp;ref_src=twsrc%5Etfw\">#ESETresearch<\/a> discovered three high-impact UEFI vulnerabilities affecting Lenovo consumer laptops.  Their exploitation would allow attackers to deploy and successfully execute UEFI malware, such as LoJax or ESPecter, on the affected devices. <a href=\"https:\/\/twitter.com\/smolar_m?ref_src=twsrc%5Etfw\">@smolar_m<\/a> <a href=\"https:\/\/t.co\/bRfFgZvfO7\">https:\/\/t.co\/bRfFgZvfO7<\/a> 1\/7<\/p>&mdash; ESET research (@ESETresearch) <a href=\"https:\/\/twitter.com\/ESETresearch\/status\/1516365339080146944?ref_src=twsrc%5Etfw\">April 19, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>\u64da\u4e86\u89e3\uff0c\u5176\u4e2d\u5169\u500b\u6f0f\u6d1e(CVE-2021-3971 \u548c CVE-2021-3972\uff09\u6703\u5f71\u97ff\u539f\u672c\u50c5\u5728\u806f\u60f3\u7b46\u8a18\u578b\u96fb\u8166\u88fd\u9020\u904e\u7a0b\u4e2d\u4f7f\u7528\u7684 UEFI\u97cc\u9ad4\u9a45\u52d5\u7a0b\u5f0f\uff0cUEFI\u662f\u5d4c\u5165\u5728\u73fe\u4ee3\u8a2d\u5099\u6676\u5143\u4e2d\u7684\u6280\u8853\uff0c\u5b83\u5c07\u97cc\u9ad4\u9023\u7d50\u5230\u64cd\u4f5c\u7cfb\u7d71\uff0c\u7814\u7a76\u4eba\u54e1\u8868\u793a\uff0c\u806f\u60f3\u5de5\u7a0b\u5e2b\u7121\u610f\u4e2d\u5c07\u9a45\u52d5\u7a0b\u5f0f\u5305\u542b\u5728\u51fa\u8ca8\u7b46\u96fb\u7684BIOS\u6620\u50cf\u6a94\u4e2d\uff0c\u800c\u672a\u88ab\u6b63\u78ba\u505c\u7528\uff0c\u99ed\u5ba2\u53ef<a>\u4ee5<\/a>\u5229\u7528\u9019\u4e9b\u6709\u7f3a\u9677\u7684\u9a45\u52d5\u7a0b\u5f0f\u4f86\u7981\u7528\u4fdd\u8b77\uff0c\u5305\u62ecUEFI\u5b89\u5168\u555f\u52d5\uff0cBIOS\u63a7\u5236\u5bc4\u5b58\u5668\u548c\u53d7\u4fdd\u8b77\u7bc4\u570d\u5bc4\u5b58\u5668\uff0c\u9019\u4e9b\u90fd\u5167\u7f6eSPI\u4e2d\uff0c\u65e8\u5728\u9632\u6b62\u5c0d\u5176\u904b\u884c\u7684\u97cc\u9ad4\u9032\u884c\u672a\u7d93\u6388\u6b0a\u7684\u66f4\u6539\u3002<\/p>\n\n\n\n<p>ESET \u7684\u7814\u7a76\u4eba\u54e1\u8b66\u544a\u8aaa\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u9019\u5169\u500b\u8207 UEFI \u76f8\u95dc\u7684\u6f0f\u6d1eCVE-2021-3971\u548cCVE-2021-3972 \uff0c\u5728\u806f\u60f3\u7b46\u96fb\u90e8\u7f72\u4e26\u57f7\u884c SPI \u5feb\u9583\u8a18\u61b6\u9ad4\u6216 ESP \u5d4c\u5165\u7a0b\u5f0f\uff0c\u85c9\u4ee5\u5f9e\u9060\u7aef\u4e0b\u8f09\u5176\u4ed6\u60e1\u610f\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\u500b\u6f0f\u6d1e\uff0cCVE-2021-3970\uff0c\u662f\u7531\u7cfb\u7d71\u7ba1\u7406\u4e2d\u65b7 (SMI) \u8655\u7406\u7a0b\u5f0f\u51fd\u6578\u4e2d\u7684\u4e0d\u6b63\u78ba\u8f38\u5165\u9a57\u8b49\u5f15\u8d77\u7684\uff0c\u53ef\u5141\u8a31\u672c\u5730\u9a57\u8b49\u7684\u653b\u64ca\u8005\u53ef\u4ee5\u85c9\u7531\u63d0\u5347\u7684\u7cfb\u7d71\u6b0a\u9650\u57f7\u884c\u4efb\u610f\u7a0b\u5f0f\u78bc\u3002ESET \u7814\u7a76\u4eba\u54e1\u8aaa\uff0c\u901a\u904e\u89f8\u767c\u8edf\u9ad4SMI\u4e2d\u65b7\u4e26\u5c07\u7279\u88fd\u7de9\u885d\u5340\u7684\u7269\u7406\u5730\u5740\u4f5c\u70ba\u53c3\u6578\u50b3\u905e\u7d66\u6613\u53d7\u653b\u64ca\u7684 SW SMI \u8655\u7406\u7a0b\u5f0f\uff0c\u53ef\u4ee5\u5f9e\u7279\u6b0a\u5167\u6838\u6a21\u5f0f\u9032\u7a0b\u4e2d\u5229\u7528\u6b64\u6f0f\u6d1e\uff0c<a href=\"https:\/\/support.lenovo.com\/ro\/en\/product_security\/len-73440#Lenovo%20Notebook\">\u6b64\u8655<\/a>\u63d0\u4f9b\u4e86\u806f\u60f3\u5217\u51fa100 \u591a\u6b3e\u53d7\u5f71\u97ff\u7684\u578b\u865f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"448\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-13.png\" alt=\"\" class=\"wp-image-1859\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-13.png 865w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-13-300x155.png 300w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2022\/04\/image-13-768x398.png 768w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p>ESET \u767c\u73fe\u7684\u9019\u4e09\u500b Lenovo \u7684\u6f0f\u6d1e\u90fd\u9700\u8981\u672c\u5730\u5b58\u53d6\uff0c\u9019\u610f\u5473\u8457\u653b\u64ca\u8005\u5df2\u7d93\u64c1\u6709\u4e0d\u53d7\u7d04\u675f\u7684\u8a31\u53ef\u6b0a\u63a7\u5236\u6613\u53d7\u653b\u64ca\u7684\u96fb\u8166\u3002\u9019\u7a2e\u5b58\u53d6\u7684\u9580\u6abb\u5f88\u9ad8\uff0c\u53ef\u80fd\u9700\u8981\u5728\u5176\u4ed6\u5730\u65b9\u5229\u7528\u4e00\u500b\u6216\u591a\u500b\u95dc\u9375\u7684\u5176\u4ed6\u6f0f\u6d1e\uff0c\u800c\u4f7f\u7528\u6236\u9762\u81e8\u76f8\u7576\u5927\u7684\u98a8\u96aa\u3002\u64da\u4e86\u89e3\u5373\u4f7f\u5728\u66f4\u63db\u786c\u789f\u9a45\u52d5\u5668\u6216\u91cd\u65b0\u5b89\u88dd\u64cd\u4f5c\u7cfb\u7d71\u5f8c\uff0c\u9019\u4e9b\u60e1\u610f\u8edf\u9ad4\u4ecd\u6703\u6301\u7e8c\u5b58\u5728\u65bc\u7cfb\u7d71\u4e2d\u3002<\/p>\n\n\n\n<p>\u70ba\u9632\u6b62\u4e0a\u8ff0\u6f0f\u6d1e\u5f15\u767c\u7684\u653b\u64ca\uff0c\u806f\u60f3\u5efa\u8b70\u53d7\u5f71\u97ff\u8a2d\u5099\u7684\u7528\u6236\u5c07\u7cfb\u7d71BIOS\u97cc\u9ad4\u7248\u672c\u66f4\u65b0\u5230\u53ef\u7528\u7684\u6700\u65b0\u7248\u672c\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5f9e\u8a2d\u5099\u7684\u652f\u63f4\u9801\u9762\u624b\u52d5\u5b89\u88dd\u66f4\u65b0\u4f86\u5b8c\u6210\uff0c\u4e5f\u53ef\u4ee5\u5728\u806f\u60f3\u63d0\u4f9b\u7684\u7528\u65bc<a href=\"https:\/\/support.lenovo.com\/ro\/en\/solutions\/ht504759\">\u66f4\u65b0\u7cfb\u7d71\u9a45\u52d5\u7a0b\u5f0f<\/a>\u7684\u5be6\u7528\u7a0b\u5f0f\u7684\u8aac\u660e\u4e0b\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>\u00a0&#8220;\u8f49\u8cbc\u3001\u5206\u4eab\u6216\u5f15\u7528\u6587\u7ae0\u5167\u5bb9\uff0c\u8acb\u8a3b\u660e\u51fa\u8655\u70ba\u7ae3\u76df\u79d1\u6280\u00a0<a href=\"https:\/\/www.billows.com.tw\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.billows.com.tw<\/a>\u00a0, \u4ee5\u514d\u89f8\u6cd5&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d9c\u5408\u8cc7\u5b89\u5916\u5a92\u5831\u5c0e\uff0cESET \u7684\u7814\u7a76\u4eba\u54e1\u65bc 2021 \u5e74 10 \u6708\u9996\u6b21\u5411\u806f\u60f3\u5831\u544a\uff0c\u6709\u4e09\u500b\u9ad8\u98a8\u96aa\u6f0f\u6d1e\u5f71\u97ff\u7d71\u4e00\u53ef\u5ef6\u4f38 <a class=\"read-more\" href=\"https:\/\/blog.billows.com.tw\/?p=1858\">READ MORE<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[174],"class_list":["post-1858","post","type-post","status-publish","format-standard","hentry","category-6","tag-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1858","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1858"}],"version-history":[{"count":3,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1858\/revisions"}],"predecessor-version":[{"id":2449,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1858\/revisions\/2449"}],"wp:attachment":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}