{"id":229,"date":"2013-08-16T00:00:00","date_gmt":"2013-08-15T15:00:00","guid":{"rendered":"http:\/\/taitan916.info\/blog\/?p=229"},"modified":"2024-01-26T16:41:06","modified_gmt":"2024-01-26T07:41:06","slug":"post-229","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/229","title":{"rendered":"PHP\u3067eval\u5b9f\u884c\u6642\u306b\u300ceval()'d code on line\u300d\u30a8\u30e9\u30fc"},"content":{"rendered":"

PHP\u3067eval\u5b9f\u884c\u6642\u306b\u300ceval()'d code on line \u3007\u3007\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u3002\u4ed6\u6240\u306e\u30b7\u30b9\u30c6\u30e0\u3067PHP\u5f62\u5f0f\u306e\u914d\u5217\u3092\u66f8\u3044\u3066\u3001\u305d\u308c\u3092file_get_contents\u3067\u6301\u3063\u3066\u304d\u3066eval\u3067\u5b9f\u884c\u3057\u3066\u305f\u3093\u3060\u3051\u3069\u3069\u3046\u3082\u4e2d\u3067\u69cb\u6587\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3063\u307d\u3044\u3002\u307e\u305f\u4ed6\u6240\u306e\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u306f\u6bce\u56de\u30c7\u30fc\u30bf\u304c\u5909\u308f\u308b\u306e\u3067\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u3068\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u3002<\/p>\n

\u4f55\u3068\u304b\u3057\u3066\u767a\u751f\u6642\u3060\u3051file_get_contents\u306e\u4e2d\u8eab\u3092\u30a8\u30e9\u30fc\u30ed\u30b0\u306b\u5410\u304d\u51fa\u3057\u305f\u3044\u3068\u60a9\u3093\u3060\u7d50\u679c\u3001\u3088\u304f\u8003\u3048\u308b\u3068warning\u30a8\u30e9\u30fc\u306a\u306e\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u6b62\u307e\u3089\u306a\u3044\u305f\u3081\u666e\u901a\u306b\u66f8\u3044\u305f\u3089\u3088\u304b\u3063\u305f\u3002<\/p>\n

$file = file_get_contents(\".\/aaa.html\");\r\neval($file); \/\/$file\u306e\u4e2d\u3067\u306f$aaa\u3068\u3044\u3046\u914d\u5217\u3092\u5b9a\u7fa9\u3057\u3066\u305f\u3068\u3059\u308b\r\n\r\nif (!$aaa) { \/\/eval\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u305f\u5834\u5408\u3001$aaa\u306f\u5b9a\u7fa9\u3055\u308c\u306a\u3044\u306e\u3067false\u306b\u306a\u308b\r\n    \/\/\u30a8\u30e9\u30fc\u51e6\u7406\r\n}<\/pre>\n
try~catch\u3067\u306f\u3046\u307e\u3044\u3053\u3068\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u6ce8\u610f\u3059\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP\u3067eval\u5b9f\u884c\u6642\u306b\u300ceval()'d code on line \u3007\u3007\u300d\u3068\u3044 ... <\/p>\n","protected":false},"author":1,"featured_media":1085,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=229"}],"version-history":[{"count":3,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/229\/revisions"}],"predecessor-version":[{"id":4366,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/229\/revisions\/4366"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1085"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}