{"id":3694,"date":"2022-03-23T16:00:00","date_gmt":"2022-03-23T07:00:00","guid":{"rendered":"https:\/\/sitecloud.jp\/?post_type=blog&p=3694"},"modified":"2024-06-03T19:06:20","modified_gmt":"2024-06-03T10:06:20","slug":"%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%b5%e3%83%bc%e3%83%90%e3%81%aa%e3%81%a9%e3%81%ab%e7%94%a8%e3%81%84%e3%82%89%e3%82%8c%e3%82%8bsamba%e3%81%ae%e3%83%a2%e3%82%b8%e3%83%a5%e3%83%bc%e3%83%ab","status":"publish","type":"blog","link":"https:\/\/kurojica.com\/server\/blog\/3694\/","title":{"rendered":"\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u306a\u3069\u306b\u7528\u3044\u3089\u308c\u308bSamba\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u91cd\u5927\u306a\u8106\u5f31\u6027\u3002Web\u30b5\u30a4\u30c8\u3078\u306e\u5f71\u97ff\u3068\u5bfe\u7b56 (CVE-2021-44142)"},"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\u5e742\u6708\u306bSamba\u306evfs_fruit\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3064\u3044\u3066\u8106\u5f31\u6027\uff08CVE-2021-44142\uff09\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u60aa\u7528\u3055\u308c\u308b\u3068\u30ea\u30e2\u30fc\u30c8\u3067\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30a2\u30e1\u30ea\u30ab\u56fd\u7acb\u6a19\u6e96\u6280\u8853\u7814\u7a76\u6240\u306e\u8106\u5f31\u6027\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u5371\u967a\u5ea6\u304cHigh\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2021-44142<\/a><\/p>\n\n\n\n

Samba\u3067Mac\u304b\u3089\u3082\u5171\u6709\u30d5\u30a9\u30eb\u30c0\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b vfs_fruit \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5c5e\u6027\u60c5\u5831\u3092\u7d30\u5de5\u3059\u308b\u3053\u3068\u3067\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\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

\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n

\u30fbSamba 4.13.17\u672a\u6e80\u30014.14.12\u672a\u6e80\u30014.15.5\u672a\u6e80<\/p>\n\n\n\n

yum\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30b7\u30a7\u30eb\u30a2\u30af\u30bb\u30b9\u3057\u3066\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067Samba\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6709\u7121\u3068\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

 rpm -q samba<\/p>\n\n\n\n

\u307e\u305f\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb smb.conf \u5185\u306e vfs objects \u3068\u3044\u3046\u9805\u76ee\u306e\u5024\u306b fruit \u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306f vfs_fruit \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

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

Redhat\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001OS\u63d0\u4f9b\u5143\u304c\u516c\u958b\u3057\u3066\u3044\u308b\u4fee\u6b63\u7248\u306ehttpd\u304a\u3088\u3073\u95a2\u9023\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 Red Hat Enterprise Linux Server 7<\/p>\n\n\n\n

https:\/\/access.redhat.com\/errata\/RHSA-2022:0328<\/a><\/p>\n\n\n\n

\u53d6\u308a\u6025\u304e\u3001Mac\u304b\u3089\u306e\u63a5\u7d9a\u304c\u306a\u3044\u74b0\u5883\u3067\u3042\u308c\u3070\u3001 smb.conf \u5185\u306e vfs objects \u304b\u3089 fruit \u3092\u524a\u9664\u3059\u308b\u3001\u3068\u3044\u3046\u65b9\u6cd5\u3082Redhat\u793e\u306e\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

https:\/\/access.redhat.com\/security\/cve\/cve-2021-44142<\/a><\/p>\n\n\n\n

Web\u30b5\u30a4\u30c8\u3078\u306e\u5f71\u97ff\u306b\u3064\u3044\u3066<\/strong><\/h2>\n\n\n\n

Samba\u306fLinux\u30b5\u30fc\u30d0\u30fc\u3068Windows\u3084Mac\u306e\u9593\u3067\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u3092\u5171\u6709\u3059\u308b\u305f\u3081\u306e\u30bd\u30d5\u30c8\u3068\u306a\u308a\u3001Web\u30b5\u30a4\u30c8\u3078\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ea\u30e2\u30fc\u30c8\u4f5c\u696d\u306e\u305f\u3081\u306b\u3001\u793e\u5916\u304b\u3089\u3082\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

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

\u4eca\u56de\u306e\u8106\u5f31\u6027\u306b\u95a2\u3057\u3066\u3001\u901a\u5e38\u306fWeb\u30b5\u30fc\u30d0\u3078\u5f71\u97ff\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u81ea\u793e\u306e\u30b5\u30a4\u30c8\u3084\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u3092\u4e00\u53f0\u306e\u30b5\u30fc\u30d0\u306b\u307e\u3068\u3081\u3066\u81ea\u793e\u7ba1\u7406\u306a\u3069\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u5bfe\u7b56\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\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\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u65e5\u3005\u767a\u8868\u3055\u308c\u308b\u8106\u5f31\u6027\u306e\u5f71\u97ff\u6709\u7121\u3092\u78ba\u8a8d\u3057\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4fee\u6b63\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u9069\u7528\u3092\u884c\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30b5\u30a4\u30c8\u5236\u4f5c\u3001\u904b\u7528\u304c\u591a\u5fd9\u3067\u30b5\u30fc\u30d0\u30fc\u30bd\u30d5\u30c8\u306e\u8106\u5f31\u6027\u5bfe\u7b56\u3092\u884c\u3046\u3053\u3068\u304c\u96e3\u3057\u3044\u5834\u5408\u306f\u305c\u3072\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u307e\u305b\u3002<\/p>\n","protected":false},"author":2,"featured_media":3695,"template":"","tags":[500],"class_list":["post-3694","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\/3694"}],"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\/3694\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/media\/3695"}],"wp:attachment":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/media?parent=3694"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/tags?post=3694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}