{"author_name":"ptr-yudai","url":"https://ptr-yudai.hatenablog.com/entry/2019/02/12/000202","provider_url":"https://hatena.blog","description":"\u306f\u3058\u3081\u306b \u8ad6\u6587\u307f\u305f\u3044\u306a\u30bf\u30a4\u30c8\u30eb\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u5225\u306b\u65b0\u3057\u304f\u3082\u4f55\u3068\u3082\u3042\u308a\u307e\u305b\u3093\u3002 \u8da3\u5473\u3067\u52c9\u5f37\u3057\u3066\u9762\u767d\u304b\u3063\u305f\u306e\u3067\u8a18\u4e8b\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u3055\u3066\u3001FILE\u69cb\u9020\u4f53\u3092\u5229\u7528\u3057\u305fexploit\u624b\u6cd5\u3068\u3057\u3066FILE Structure Oriented Programming\u304c\u3042\u308a\u307e\u3059\u3002 _IO_FILE_plus\u69cb\u9020\u4f53\u306evtable\u306f\u6b21\u306e\u3088\u3046\u306a\u30a2\u30c9\u30ec\u30b9\u4e00\u89a7\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u4f8b\u3048\u3070fclose\u95a2\u6570\u304c\u547c\u3070\u308c\u308b\u3068_IO_close_t\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002 struct _IO_FILE_plus { _IO_FILE file; const struct _IO_jump_t *vtable; }; struct _I\u2026","blog_url":"https://ptr-yudai.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F02%2F12%2F000202\" title=\"_IO_str_overflow\u3092\u4f7f\u3063\u305fvtable\u6539\u7ac4\u691c\u77e5\u306e\u56de\u907f\u624b\u6cd5 - CTF\u3059\u308b\u305e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"CTF\u3059\u308b\u305e","categories":["CTF"],"image_url":null,"height":"190","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","width":"100%","version":"1.0","title":"_IO_str_overflow\u3092\u4f7f\u3063\u305fvtable\u6539\u7ac4\u691c\u77e5\u306e\u56de\u907f\u624b\u6cd5","provider_name":"Hatena Blog","published":"2019-02-12 00:02:02","type":"rich"}