{"type":"rich","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","blog_title":"CTF\u3059\u308b\u305e","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F10%2F12%2F181931\" title=\"house of orange\u306b\u3088\u308amalloc\u304b\u3089_int_free\u3092\u547c\u3076 - 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>","url":"https://ptr-yudai.hatenablog.com/entry/2019/10/12/181931","height":"190","image_url":null,"blog_url":"https://ptr-yudai.hatenablog.com/","width":"100%","provider_url":"https://hatena.blog","title":"house of orange\u306b\u3088\u308amalloc\u304b\u3089_int_free\u3092\u547c\u3076","categories":["CTF"],"description":"\u306f\u3058\u3081\u306b \u540d\u524d\u3060\u3051\u77e5\u3063\u3066\u305f\u306e\u3067\u3059\u304c\u5185\u5bb9\u306f\u5168\u7136\u77e5\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u307e\u3068\u3081\u307e\u3059\u3002 \u30d2\u30fc\u30d7\u554f\u3092\u89e3\u304f\u3068\u304d\u306f\u901a\u5e38free\u306b\u3088\u308a\u30c1\u30e3\u30f3\u30af\u3092tcache\u3084bin\u306b\u7e4b\u3052\u308b\u306e\u3067\u3059\u304c\u3001\u4e2d\u306b\u306fdelete\u7cfb\u306e\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u308afree\u306e\u56de\u6570\u306b\u5236\u9650\u304c\u3042\u3063\u305f\u308a\u3068\u3044\u3046\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u4f7f\u3048\u308b\u306e\u304cHouse of Orange\u3068\u3044\u3046\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3001free\u304c\u306a\u304f\u3066top chunk\u306e\u30b5\u30a4\u30ba\u3092\u6539\u7ac4\u3067\u304d\u308b\u3068\u304d\u306b\u4fbf\u5229\u3067\u3059\u3002 House of Orange\u306f\u672c\u6765top chunk\u306e\u30b5\u30a4\u30ba\u6539\u7ac4\u306b\u3088\u308a_int_free\u3092\u547c\u3073\u51fa\u3057\u3001\u305d\u306e\u969b\u3067\u304d\u305fmain arena\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3063\u3066libc leak\u3057\u3001\u6700\u5f8c\u306b\u507d\u306e_\u2026","version":"1.0","published":"2019-10-12 18:19:31","author_name":"ptr-yudai","provider_name":"Hatena Blog"}