{"id":3630,"date":"2022-02-10T16:12:09","date_gmt":"2022-02-10T07:12:09","guid":{"rendered":"https:\/\/sitecloud.jp\/?post_type=blog&p=3630"},"modified":"2024-06-03T18:57:29","modified_gmt":"2024-06-03T09:57:29","slug":"linux%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%84%e3%82%8b%e5%a0%b4%e5%90%88%e3%81%af%e8%a6%81%e7%a2%ba%e8%aa%8d%ef%bc%81%e7%ae%a1%e7%90%86%e8%80%85%e6%a8%a9%e9%99%90%e3%81%ae%e4%b8%8d%e6%ad%a3","status":"publish","type":"blog","link":"https:\/\/kurojica.com\/server\/blog\/3630\/","title":{"rendered":"Linux\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u8981\u78ba\u8a8d\uff01\u7ba1\u7406\u8005\u6a29\u9650\u306e\u4e0d\u6b63\u5229\u7528\u306b\u3064\u306a\u304c\u308bPolkit\u306e\u8106\u5f31\u6027\u300cPwnKit\u300d\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u3053\u3093\u306b\u3061\u306f\u3002\u300c\u30af\u30ed\u30b8\u30ab\u30b5\u30fc\u30d0\u30fc\u7ba1\u7406\u300d<\/a>\u30d7\u30ea\u30bb\u30fc\u30eb\u30b9\u306e\u9ad8\u702c\u3067\u3059\u3002<\/p>\n\n\n\n

2022\u5e741\u6708\u306bLinux\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u300cPolkit\u300d\u306b\u3064\u3044\u3066\u8106\u5f31\u6027\uff08CVE-2021-4034\uff09\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u60aa\u7528\u3055\u308c\u308b\u3068\u7ba1\u7406\u8005\u6a29\u9650\u3092\u4e0d\u6b63\u5229\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001Redhat\u793e\u304b\u3089\u306f\uff12\u756a\u76ee\u306b\u91cd\u8981\u5ea6\u306e\u9ad8\u3044Important Impact \u3068\u767a\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

https:\/\/access.redhat.com\/security\/cve\/CVE-2021-4034<\/a><\/p>\n\n\n\n

\u300cPolkit\u300d\u306fLinux\u3067\u5225\u30a2\u30ab\u30a6\u30f3\u30c8\u3068\u3057\u3066\u64cd\u4f5c\u3092\u884c\u3046\u305f\u3081\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u300csudo\u300d\u3084\u300csu\u300d\u3068\u540c\u3058\u3088\u3046\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u3053\u3061\u3089\u306e\u65b9\u304c\u6a29\u9650\u3092\u8a73\u7d30\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u4eca\u56de\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3055\u308c\u308b\u3068\u3001Linux\u4e0a\u3067\u610f\u56f3\u3057\u3066\u3044\u306a\u3044\u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u304c\u7ba1\u7406\u8005\u6a29\u9650\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u30b5\u30fc\u30d0\u30fc\u306b\u30b7\u30a7\u30eb\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u305f\u5834\u5408\u306b\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3082\u306e\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u57fa\u672c\u7684\u306b\u672c\u8106\u5f31\u6027\u306b\u3088\u3063\u3066\u76f4\u63a5Web\u30b5\u30a4\u30c8\u304b\u3089\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n\n\n\n\n

\u8106\u5f31\u6027\u306e\u5bfe\u8c61\u3068\u306a\u308b\u30d0\u30fc\u30b8\u30e7\u30f3<\/strong><\/h2>\n\n\n\n

Redhat\u793e\u304b\u3089\u306fRHEL6 - RHEL8\u3059\u3079\u3066\u306b\u5f71\u97ff\u304c\u3042\u308b\u3068\u767a\u8868\u304c\u3042\u308a\u3001CentOS\u306a\u3069\u3092\u542b\u3080Redhat\u7cfb\u306eLinux\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

https:\/\/access.redhat.com\/security\/vulnerabilities\/RHSB-2022-001<\/a><\/p>\n\n\n\n

Polkit\u306e\u6709\u7121\u3084\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3064\u3044\u3066\u306fOS\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u72b6\u6cc1\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u305f\u3081\u3001\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u6709\u7121\u3068\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

# rpm -q polkit<\/p>\n\n\n\n

\u8106\u5f31\u6027\u306e\u5bfe\u7b56<\/strong><\/h2>\n\n\n\n

Amazon Linux\u3084Redhat\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001OS\u63d0\u4f9b\u5143\u306e\u4fee\u6b63\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u78ba\u8a8d\u3057\u3066\u9069\u7528\u3059\u308b\u5f62\u306b\u306a\u308a\u307e\u3059\u3002\u4ed6\u306eOS\u306e\u5834\u5408\u3082\u63d0\u4f9b\u5143\u306e\u767a\u8868\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u25a0 Amazon Linux 2<\/p>\n\n\n\n

https:\/\/alas.aws.amazon.com\/AL2\/ALAS-2022-1745.html<\/a><\/p>\n\n\n\n

\u25a0 Red Hat Enterprise Linux Server 7<\/p>\n\n\n\n

https:\/\/access.redhat.com\/errata\/RHSA-2022:0274<\/a><\/p>\n\n\n\n

\u3055\u3044\u3054\u306b<\/strong><\/h2>\n\n\n\n

\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u306f\u3058\u3081\u3001Web\u30b5\u30a4\u30c8\u306bLinux\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u306f\u304b\u306a\u308a\u591a\u3044\u305f\u3081\u3001\u5229\u7528\u4e2d\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u8a72\u5f53\u3059\u308b\u53ef\u80fd\u6027\u3082\u9ad8\u304f\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

Web\u30b5\u30a4\u30c8\u304b\u3089\u306e\u653b\u6483\u306f\u96e3\u3057\u304f\u3066\u3082\u3001\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u306e\u305f\u3081\u306bSSH\u306e\u30dd\u30fc\u30c8\u3092\u958b\u653e\u3057\u305f\u308a\u3057\u3066\u3044\u308b\u3068\u304b\u306a\u308a\u5371\u967a\u3067\u3059\u3002<\/p>\n\n\n\n

\u5f0a\u793e\u3067\u306f\u304a\u5ba2\u69d8\u30b5\u30fc\u30d0\u30fc\u306e\u3054\u5229\u7528\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u3001\u9069\u5207\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u306e\u5c0e\u5165\u30fb\u904b\u7528\u306a\u3069\u904b\u7528\u306b\u5408\u308f\u305b\u305f\u3054\u63d0\u6848\u304c\u53ef\u80fd\u3067\u3059\u3002\u305c\u3072\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u307e\u305b\u3002<\/p>\n","protected":false},"author":2,"featured_media":3633,"template":"","tags":[500],"class_list":["post-3630","blog","type-blog","status-publish","has-post-thumbnail","hentry","tag-500"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/blog\/3630"}],"collection":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/types\/blog"}],"author":[{"embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":0,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/blog\/3630\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/media\/3633"}],"wp:attachment":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/media?parent=3630"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/tags?post=3630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}