{"id":56212,"date":"2021-02-21T00:19:37","date_gmt":"2021-02-20T16:19:37","guid":{"rendered":"http:\/\/www.zhushiyao.com\/?p=56212"},"modified":"2021-02-21T00:20:33","modified_gmt":"2021-02-20T16:20:33","slug":"%e4%ba%8c%e4%b8%aa%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"http:\/\/www.zhushiyao.com\/?p=56212","title":{"rendered":"centos\u4e0b\u4e8c\u4e2a\u5b89\u5168\u66f4\u65b0\uff08CVE-2021-3156\uff0cCVE-2020-1971 \uff09\u64cd\u4f5c"},"content":{"rendered":"\n<p>\u5927\u560e\u597d\uff0c\u534a\u540a\u5b50\u8fd0\u7ef4\u53c8\u51fa\u73b0\u4e86\u3002<\/p>\n\n\n\n<p>\u4eca\u5929\u6536\u5230\u90ae\u4ef6\uff0c\u8bf4\u662f\u6709\u4e8c\u4e2a\u6f0f\u6d1e\u3002\u672c\u6765\u963f\u91cc\u4e91\u53ef\u4ee5\u5728\u63a7\u5236\u53f0\u5185\u4fee\u590d\uff0c\u53ef\u60dc\u8981\u6536\u8d39\uff0c\u8fd9\u7b14\u94b1\u4f30\u8ba1\u8001\u677f\u4e0d\u5927\u613f\u610f\u51fa\u3002\u6240\u4ee5\u53ea\u80fd\u4eba\u8089\u6765\u641e\u4e00\u4e0b\u5b50\u3002<\/p>\n\n\n\n<p>$yum update sudo<\/p>\n\n\n\n<p> $yum update openssl<\/p>\n\n\n\n<p>\u5750\u7b49\u4e0b\u6b21\u7684\u5468\u62a5\u770b\u4e00\u4e0b\u8fd8\u6709\u6ca1\u6709\u5b89\u5168\u6f0f\u6d1e\u8fd8\u5728\u4e0d\u5728\u3002<\/p>\n\n\n\n<p>Sudo \u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u81f4\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\uff08CVE-2021-3156\uff09                                                                         \u5b58\u5728EXP\u6743\u9650\u63d0\u5347 <\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6f0f\u6d1e\u63cf\u8ff0<\/h4>\n\n\n\n<p>Sudo\u662flinux\u7cfb\u7edf\u7ba1\u7406\u6307\u4ee4\uff0c\u662f\u5141\u8bb8\u7cfb\u7edf\u7ba1\u7406\u5458\u8ba9\u666e\u901a\u7528\u6237\u6267\u884c\u4e00\u4e9b\u6216\u8005\u5168\u90e8\u7684root\u547d\u4ee4\u7684\u4e00\u4e2a\u5de5\u5177\uff0c\u5982halt\uff0creboot\uff0csu\u7b49\u7b49\u3002<br>\nSudo 1.8.2-1.8.31p2\u548c1.9.0-1.9.5p1\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u201csudoedit -s\u201d\u548c\u4ee5\u5355\u4e2a\u53cd\u659c\u6760\u5b57\u7b26\u7ed3\u5c3e\u7684\u547d\u4ee4\u884c\u53c2\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u5f97\u7cfb\u7edfroot\u6743\u9650\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u57fa\u672c\u4fe1\u606f<\/h4>\n\n\n\n<ul><li>CVE\u7f16\u53f7:  CVE-2021-3156 <\/li><li>\u6f0f\u6d1e\u7c7b\u578b:  \u6743\u9650\u63d0\u5347 <\/li><li>\u5371\u9669\u7b49\u7ea7:  \u4e2d\u5371 <\/li><li>\u62ab\u9732\u65f6\u95f4:  \u672a\u77e5 <\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"title\">OpenSSL  \u5b89\u5168\u6f0f\u6d1e                                                                         \u62d2\u7edd\u670d\u52a1                                                                                                <\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">\u6f0f\u6d1e\u63cf\u8ff0<\/h4>\n\n\n\n<p>OpenSSL\u662fOpenssl\u56e2\u961f\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u80fd\u591f\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\uff08SSLv2\/v3\uff09\u548c\u5b89\u5168\u4f20\u8f93\u5c42\uff08TLSv1\uff09\u534f\u8bae\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\u8be5\u4ea7\u54c1\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002\n OpenSSL 1.1.1\u7248\u672c\u548c1.0.2\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u548c\u5d29\u6e83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u57fa\u672c\u4fe1\u606f<\/h4>\n\n\n\n<ul><li>CVE\u7f16\u53f7:  CVE-2020-1971 <\/li><li>\u6f0f\u6d1e\u7c7b\u578b:  \u62d2\u7edd\u670d\u52a1 <\/li><li>\u5371\u9669\u7b49\u7ea7:  \u4f4e\u5371 <\/li><li>\u62ab\u9732\u65f6\u95f4:  \u672a\u77e5 <\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u560e\u597d\uff0c\u534a\u540a\u5b50\u8fd0\u7ef4\u53c8\u51fa\u73b0\u4e86\u3002 \u4eca\u5929\u6536\u5230\u90ae\u4ef6\uff0c\u8bf4\u662f\u6709\u4e8c\u4e2a\u6f0f\u6d1e\u3002\u672c\u6765\u963f\u91cc\u4e91\u53ef\u4ee5\u5728\u63a7\u5236\u53f0\u5185\u4fee\u590d\uff0c\u53ef\u60dc\u8981\u6536\u8d39\uff0c\u8fd9\u7b14\u94b1\u4f30 &hellip; <a href=\"http:\/\/www.zhushiyao.com\/?p=56212\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201ccentos\u4e0b\u4e8c\u4e2a\u5b89\u5168\u66f4\u65b0\uff08CVE-2021-3156\uff0cCVE-2020-1971 \uff09\u64cd\u4f5c\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[373],"_links":{"self":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/56212"}],"collection":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=56212"}],"version-history":[{"count":2,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/56212\/revisions"}],"predecessor-version":[{"id":56214,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/56212\/revisions\/56214"}],"wp:attachment":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=56212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=56212"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=56212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}