{"id":50054,"date":"2022-04-06T09:00:52","date_gmt":"2022-04-06T00:00:52","guid":{"rendered":"https:\/\/www.creationline.com\/?p=50054"},"modified":"2022-03-30T18:41:46","modified_gmt":"2022-03-30T09:41:46","slug":"cve-2022-23648%ef%bc%9acontainerd%e3%81%aecri-%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3%e3%81%ab%e3%82%88%e3%82%8a%e3%82%b3%e3%83%b3%e3%83%86%e3%83%8a%e3%82%a8%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%97","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/50054","title":{"rendered":"CVE-2022-23648\uff1aContainerd\u306eCRI \u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3088\u308a\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u53ef\u80fd\u6027 #aqua #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 #cve202223648 #ccontainerd"},"content":{"rendered":"<p>\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672022\u5e743\u670828\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c<a href=\"https:\/\/blog.aquasec.com\/cve-2022-23648-containerd-cri-plugin\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"> CVE-2022-23648 in Containerd's CRI Plugin Could Allow for Container Breakout <\/a>\u300d\u306e\u65e5\u672c\u8a9e\u7ffb\u8a33\u3067\u3059\u3002<\/p>\n<p><center><img loading=\"lazy\" decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2022\/03\/a0068817529d1219c7ce55a56176668b.png\" alt=\"\" width=\"865\" height=\"415\" class=\"alignnone size-full wp-image-50055\" srcset=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2022\/03\/a0068817529d1219c7ce55a56176668b.png 865w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2022\/03\/a0068817529d1219c7ce55a56176668b-360x173.png 360w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2022\/03\/a0068817529d1219c7ce55a56176668b-768x368.png 768w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><\/center><\/p>\n<h2>CVE-2022-23648\uff1aContainerd\u306eCRI \u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3088\u308a\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u53ef\u80fd\u6027<\/h2>\n<hr \/>\n<p>\u6700\u8fd1\u767a\u898b\u3055\u308c\u305f containerd \u306e\u8106\u5f31\u6027\u306b\u3088\u308a\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u5185\u3067\u30ab\u30b9\u30bf\u30e0\u30a4\u30e1\u30fc\u30b8\u3092\u5b9f\u884c\u3067\u304d\u308b\u653b\u6483\u8005\u306f\u3001\u57fa\u76e4\u3068\u306a\u308b\u30ce\u30fc\u30c9\u306b\u4fb5\u5165\u3057\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30af\u30e9\u30b9\u30bf\u30fc\u7ba1\u7406\u8005\u30ec\u30d9\u30eb\u307e\u3067\u6a29\u9650\u3092\u6607\u683c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u7406\u7531\u3067\u8208\u5473\u6df1\u3044\u3082\u306e\u3067\u3059\u3002\u307e\u305a\u3001\u3053\u306e\u8106\u5f31\u6027\u306f Kubernetes \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3067\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u306b\u5185\u5305\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001Infrastructure-as-Code(IaC)\u3084 Admission Controll \u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u767a\u898b\u3059\u308b\u306e\u304c\u96e3\u3057\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u7b2c\u4e8c\u306b\u3001\u4e00\u822c\u7684\u306a\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u30b9\u30ad\u30e3\u30f3\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3067\u306f\u5bb9\u6613\u306b\u691c\u51fa\u3067\u304d\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306e\u8a73\u7d30\u3068\u53ef\u80fd\u306a\u7de9\u548c\u7b56\u306b\u3064\u3044\u3066\u8a71\u3059\u3053\u3068\u306b\u52a0\u3048\u3066\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u5f37\u8abf\u3059\u308b Kubernetes \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u5f79\u5272\u306b\u6ce8\u76ee\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<a href=\"https:\/\/twitter.com\/_fel1x\/\" rel=\"noopener\" target=\"_blank\">\u3053\u306e\u554f\u984c\u3092\u767a\u898b\u3057\u305f\u7814\u7a76\u8005<\/a>\u304b\u3089\u306e\u60c5\u5831\u306b\u6c17\u3065\u3044\u305f\u5f8c\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u8907\u6570\u306e\u30e1\u30f3\u30d0\u30fc\u304c\u3001\u3053\u306e\u554f\u984c\u3092\u518d\u73fe\u3057\u3001\u8d77\u3053\u308a\u3046\u308b\u5f71\u97ff\u3068\u53ef\u80fd\u306a\u7de9\u548c\u7b56\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u53d6\u308a\u7d44\u307f\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u8b70\u8ad6\u306f\u3001\u4e00\u822c\u7684\u306b <a href=\"https:\/\/slack.k8s.io\/\" rel=\"noopener\" target=\"_blank\">Kubernetes Slack<\/a> \u306e #Kubernetes-Security \u30c1\u30e3\u30f3\u30cd\u30eb\u3068 #SIG-Security \u30c1\u30e3\u30f3\u30cd\u30eb\u3067\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u6280\u8853\u7684\u8a73\u7d30<\/h3>\n<p><a href=\"https:\/\/bugs.chromium.org\/p\/project-zero\/issues\/detail?id=2244\" rel=\"noopener\" target=\"_blank\">\u3053\u306e\u554f\u984c\u306f2021\u5e7411\u6708\u306b\u767a\u898b\u30fb\u5831\u544a<\/a>\u3055\u308c\u30012022\u5e743\u67082\u65e5\u306b <a href=\"https:\/\/containerd.io\/\" rel=\"noopener\" target=\"_blank\">containerd<\/a> \u7528\u306e<a href=\"https:\/\/github.com\/containerd\/containerd\/security\/advisories\/GHSA-crp2-qrr5-8pq7\" rel=\"noopener\" target=\"_blank\">\u30d1\u30c3\u30c1\u304c\u30ea\u30ea\u30fc\u30b9<\/a>\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u539f\u56e0\u306f Kubernetes \u30af\u30e9\u30b9\u30bf\u30fc\u3068 containerd \u306e\u9593\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3068\u306a\u308b container runtime interface(CRI)\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3042\u308a\u307e\u3059\u3002\u554f\u984c\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u306b\u30db\u30b9\u30c8\u4e0a\u306e\u30d1\u30b9\u3092\u53c2\u7167\u3059\u308b\u30dc\u30ea\u30e5\u30fc\u30e0(\u4f8b\uff1a\/..\/...\/...\/...\/var\/lib\/kubelet\/pki\/)\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u8d77\u52d5\u6642\u306b\u30db\u30b9\u30c8\u4e0a\u306e\u4efb\u610f\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5b9f\u884c\u4e2d\u306e\u30b3\u30f3\u30c6\u30ca\u306b\u30b3\u30d4\u30fc\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30ab\u30b9\u30bf\u30e0\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3067\u304d\u308b\u653b\u6483\u8005\u306f\u3001\u57fa\u76e4\u3068\u306a\u308b\u30db\u30b9\u30c8\u304b\u3089\u8a8d\u8a3c\u60c5\u5831\u306a\u3069\u3092\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u305d\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u30ce\u30fc\u30c9\u3067\u7279\u6a29\u306b\u6607\u683c\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059(\u304a\u305d\u3089\u304f\u30af\u30e9\u30b9\u30bf\u30fc\u5168\u4f53\u3067\u3082\u6607\u683c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059)\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u3092\u60aa\u7528\u3059\u308b\u57fa\u672c\u7684\u306a\u30b3\u30f3\u30c6\u30ca\u306e\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<div data-hs-responsive-table=\"true\">\n<table style=\"margin-left: auto; margin-right: auto;\">\n<tbody>\n<tr>\n<td style=\"background-color: #ebf3fa;\">\n<p style=\"font-size: 18px;\"><span style=\"font-family: 'Courier New', Courier, monospace;\">FROM registry.access.redhat.com\/ubi8\/ubi<br \/><\/span><span style=\"font-family: 'Courier New', Courier, monospace;\">VOLUME \/..\/..\/..\/..\/..\/..\/..\/..\/var\/lib\/kubelet\/pki\/<br \/><\/span><span style=\"font-family: 'Courier New', Courier, monospace;\">ENTRYPOINT \"\/bin\/bash\"<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u30d3\u30eb\u30c9\u3057\u3066\u304b\u3089\u30af\u30e9\u30b9\u30bf\u30fc\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u52d5\u753b\u306b\u793a\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u3001kubelet \u306e\u79d8\u5bc6\u9375\u304c\u5b9f\u884c\u4e2d\u306e\u30b3\u30f3\u30c6\u30ca\u306b\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"hs-embed-wrapper\" data-service=\"youtube\" data-responsive=\"true\" style=\"position: relative; overflow: hidden; width: 100%; height: auto; padding: 0px; max-width: 650px; max-height: 367.25px; min-width: 256px; display: block; margin: auto;\">\n<div class=\"hs-embed-content-wrapper\">\n<div style=\"position: relative; overflow: hidden; max-width: 100%; padding-bottom: 56.5%; margin: 0px;\" data-mce-style=\"position: relative; overflow: hidden; max-width: 100%; padding-bottom: 56.5%; margin: 0px;\"><iframe loading=\"lazy\" width=\"200\" height=\"113\" src=\"https:\/\/www.youtube.com\/embed\/TqT8bKCus5s?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen style=\"position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; border: none;\" xml=\"lang\" data-mce-src=\"https:\/\/www.youtube.com\/embed\/TqT8bKCus5s?feature=oembed\" data-mce-style=\"position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; border: none;\"><\/iframe><\/div>\n<\/div>\n<\/div>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u4f7f\u7528\u3057\u3066\u3001Kubernetes API \u3092\u4ecb\u3057\u3066\u3001kubelet \u81ea\u4f53\u306e\u6a29\u9650\u3067\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u3053\u306e\u4f8b\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u5185\u306e\u6a29\u9650\u6607\u683c\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u3088\u308a\u9ad8\u5ea6\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u542b\u3080 <a href=\"https:\/\/github.com\/raesene\/CVE-2022-23648-POC\" rel=\"noopener\" target=\"_blank\">GitHub \u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u653b\u6483\u8005\u304c\u95a2\u5fc3\u3092\u6301\u3064\u30db\u30b9\u30c8\u4e0a\u306e\u4ed6\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u6307\u3059\u3088\u3046\u306b\u30dc\u30ea\u30e5\u30fc\u30e0\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u653b\u6483\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5\u306e\u4e00\u4f8b\u306b\u904e\u304e\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001containerd \u306e CRI \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066 Docker \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30af\u30e9\u30b9\u30bf\u30fc\u3067\u306f\u3001containerd \u306e CRI \u306e\u4ee3\u308f\u308a\u306b Dockershim \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u691c\u77e5\u3068\u7de9\u548c<\/h3>\n<p>\u3053\u306e\u554f\u984c\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3088\u3063\u3066\u306f\u3001\u691c\u77e5\u304c\u96e3\u3057\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30d4\u30fc\u51e6\u7406\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30e6\u30fc\u30b6\u3067\u306f\u306a\u304f\u3001containerd \u81ea\u8eab\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u691c\u77e5\u306f\u30af\u30e9\u30b9\u30bf\u30fc\u30ce\u30fc\u30c9\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u5834\u6240\u3092\u76e3\u8996\u3059\u308b\u304f\u3089\u3044\u3057\u304b\u7121\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001\u4e0a\u8a18\u306e\u57fa\u672c\u7684\u306a\u4f8b\u3067\u306f\u3001kubelet \u306e\u79d8\u5bc6\u9375\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u3042\u3063\u305f\u305f\u3081\u3001\u3053\u308c\u3092\u76e3\u8996\u5bfe\u8c61\u3068\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7de9\u548c\u3068\u540c\u69d8\u306b\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u30ce\u30fc\u30c9\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u3053\u3068\u304c\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\u307e\u305f\u3001\u4fe1\u983c\u3067\u304d\u308b\u30a4\u30e1\u30fc\u30b8\u306e\u307f\u304c\u30af\u30e9\u30b9\u30bf\u30fc\u3078\u30c7\u30d7\u30ed\u30a4\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3082\u3001\u3053\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u5bfe\u7b56\u304c\u73fe\u5b9f\u7684\u3067\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u4e00\u6642\u7684\u306a\u4fee\u6b63\u3068\u3057\u3066\u3001Admission Controller \u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30d7\u30ed\u30a4\u3055\u308c\u3066\u3044\u308b\u30a4\u30e1\u30fc\u30b8\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001\u4f7f\u7528\u3059\u308b Admission Controll \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u3001\u305d\u306e\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u306e\u4e00\u90e8\u3068\u3057\u3066\u5916\u90e8\u30c7\u30fc\u30bf\u3092\u53c2\u7167\u3067\u304d\u308b\u3053\u3068\u306b\u4f9d\u5b58\u3057\u307e\u3059\u304c\u3001<a href=\"https:\/\/kyverno.io\/docs\/writing-policies\/external-data-sources\/\" rel=\"noopener\" target=\"_blank\">Kyverno<\/a> \u3068 <a href=\"https:\/\/www.openpolicyagent.org\/docs\/latest\/external-data\/\" rel=\"noopener\" target=\"_blank\">OPA<\/a> \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001<a href=\"https:\/\/kyverno.io\/policies\/other\/block_images_with_volumes\/block-images-with-volumes\/\" rel=\"noopener\" target=\"_blank\">Kyverno \u306f\u30dc\u30ea\u30e5\u30fc\u30e0\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u6301\u3064\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u305f\u3081\u306e\u30dd\u30ea\u30b7\u30fc<\/a>\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u5b8c\u5168\u306b\u30d6\u30ed\u30c3\u30af\u3059\u308b\u306e\u304c\u5b89\u5168\u306a\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<hr \/>\n<p>\u3053\u308c\u306f\u30012022\u5e74\u306b\u3044\u304f\u3064\u304b\u51fa\u3066\u304d\u305f\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u8106\u5f31\u6027\u306e1\u3064\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306f\u3001\u4e00\u822c\u7684\u306a Kubernetes \u30b9\u30bf\u30c3\u30af\u306e\u3044\u304f\u3064\u304b\u306e\u30ec\u30a4\u30e4\u30fc\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30b1\u30fc\u30b9\u3067\u3001\u30d9\u30af\u30bf\u30fc\u3068\u53ef\u80fd\u306a\u7de9\u548c\u7b56\u306f\u591a\u5c11\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u904b\u7528\u8005\u304c\u6ce8\u76ee\u3059\u3079\u304d\u5171\u901a\u306e\u30c6\u30fc\u30de\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306f\u3001\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u30ce\u30fc\u30c9\u3067\u5b9a\u671f\u7684\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u306e\u91cd\u8981\u6027\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u5fc5\u8981\u306a\u3068\u304d\u8fc5\u901f\u304b\u3064\u5b89\u5168\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u3001\u983b\u7e41\u306b\u5b9f\u8df5\u3055\u308c\u308b\u6163\u7fd2\u304c\u3042\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<p>\u3082\u30461\u3064\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u3001Kubernetes \u74b0\u5883\u306b\u306f\u5fb9\u5e95\u7684\u306a\u9632\u5fa1\u6226\u7565\u304c\u5fc5\u8981\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5358\u4e00\u306e\u4e88\u9632\u7684\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u306f\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u5b89\u5168\u306b\u4fdd\u3064\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u6f5c\u5728\u7684\u306a\u5f31\u70b9\u3092\u8003\u616e\u3057\u3001\u4e88\u9632\u7684\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3068\u9632\u5fa1\u7684\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u4e21\u65b9\u306e\u30ec\u30a4\u30e4\u30fc\u30bb\u30c3\u30c8\u304c\u7d76\u5bfe\u306b\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p><center>\n\t\t<!--HubSpot Call-to-Action Code -->\n\t\t<span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-fecc193b-bbc5-40d2-9588-ed7b022af3aa\">\n\t\t<span class=\"hs-cta-node hs-cta-fecc193b-bbc5-40d2-9588-ed7b022af3aa\" id=\"fecc193b-bbc5-40d2-9588-ed7b022af3aa\">\n\t\t<!--[if lte IE 8]>\n\t\t<div id=\"hs-cta-ie-element\"><\/div>\n\t\t<![endif]-->\n\t\t<a href=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/6168413\/fecc193b-bbc5-40d2-9588-ed7b022af3aa\" >\n\t\t<img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-fecc193b-bbc5-40d2-9588-ed7b022af3aa\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/6168413\/fecc193b-bbc5-40d2-9588-ed7b022af3aa.png\"  alt=\"New call-to-action\"\/>\n\t\t<\/a>\n\t\t<\/span>\n\t\t<script charset=\"utf-8\" src=\"\/\/js.hubspot.com\/cta\/current.js\"><\/script>\n\t\t<script>\n\t\thbspt.cta.load(6168413, 'fecc193b-bbc5-40d2-9588-ed7b022af3aa', {});\n\t\t<\/script>\n\t\t<\/span>\n\t\t<!-- end HubSpot Call-to-Action Code -->\n\t\t<\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672022\u5e743\u670828\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c CVE-2022-23648 in Containerd&#8217;s CRI Plugin Could Allow for Contai [&#8230;]<\/p>\n","protected":false},"author":56,"featured_media":50055,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[176],"tags":[174,152,639,638,358],"class_list":["post-50054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aquasecurity","tag-aqua","tag-aquasecurity","tag-ccontainerd","tag-cve202223648","tag-358"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CVE-2022-23648\uff1aContainerd\u306eCRI \u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3088\u308a\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u53ef\u80fd\u6027 #aqua #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 #cve202223648 #ccontainerd - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"AquaSecurity |\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672022\u5e743\u670828\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c CVE-2022-23648 in Containerd&#039;s\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/50054\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CVE-2022-23648\uff1aContainerd\u306eCRI \u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3088\u308a\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u53ef\u80fd\u6027 #aqua #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 #cve202223648 #ccontainerd - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"og:description\" content=\"AquaSecurity |\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672022\u5e743\u670828\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c CVE-2022-23648 in Containerd&#039;s\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/50054\" \/>\n<meta property=\"og:site_name\" content=\"Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/creationline\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-06T00:00:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2022\/03\/a0068817529d1219c7ce55a56176668b.png\" \/>\n\t<meta property=\"og:image:width\" content=\"865\" \/>\n\t<meta property=\"og:image:height\" content=\"415\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Kent Magruder\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@creationline\" \/>\n<meta name=\"twitter:site\" content=\"@creationline\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kent Magruder\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/aquasecurity\\\/50054#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/aquasecurity\\\/50054\"},\"author\":{\"name\":\"Kent Magruder\",\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/#\\\/schema\\\/person\\\/2dfcdde19e3b7cb7da7c9ae23e1b7717\"},\"headline\":\"CVE-2022-23648\uff1aContainerd\u306eCRI 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