{"blog_url":"https://kataware.hatenablog.jp/","height":"190","description":"\u306f\u3058\u3081\u306b \u5f0a\u7814\u7a76\u5ba4\u306e\u67d0\u8ab2\u984c\u306b\u3064\u3044\u3066\u8003\u3048\u308b12\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u524d\u56de\u306eret2plt\u3092\u5fdc\u7528\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059 return to libc \u524d\u56deEIP\u3092\u596a\u3063\u305f\u5f8c\u306b\u305d\u306e\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u3092plt\u306b\u5909\u3048\u3001\u5909\u6570\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f\u3002\u3067\u3059\u304cret2plt\u306fplt\u306b\u3042\u308b\u95a2\u6570\u3001\u3064\u307e\u308a\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f7f\u7528\u3055\u308c\u308b\u95a2\u6570\u3057\u304b\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002 \u3057\u304b\u3057\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u8aad\u307f\u8fbc\u3093\u3067\u3044\u308b\u306e\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u95a2\u6570\u30a2\u30c9\u30ec\u30b9\u304c\u5206\u304b\u308c\u3070plt\u306b\u3088\u308b\u52d5\u7684\u306a\u89e3\u6c7a\u3092\u305b\u305a\u3068\u3082\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u56de\u306fret2libc\u3092\u3084\u3063\u3066\u3044\u304d\u307e\u3059\u3002 ret2libc\u3092\u3084\u3063\u3066\u307f\u308b \u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3082\u524d\u56de\u3068\u4e00\u7dd2 #include<stdio.h> #\u2026","author_name":"kataware8136","provider_name":"Hatena Blog","image_url":null,"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkataware.hatenablog.jp%2Fentry%2F2017%2F12%2F15%2F212540\" title=\"ret2libc(\u5f0a\u7814\u7a76\u5ba4\u306e\u67d0\u8ab2\u984c\u306b\u3064\u3044\u3066\u8003\u3048\u308b12\u65e5\u76ee) - \u3054\u3061\u3046\u3055\u6c11\u306e\u899a\u3048\u66f8\u304d\" 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://kataware.hatenablog.jp/entry/2017/12/15/212540","categories":[],"type":"rich","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/kataware8136/","published":"2017-12-15 21:25:40","version":"1.0","blog_title":"\u3054\u3061\u3046\u3055\u6c11\u306e\u899a\u3048\u66f8\u304d","title":"ret2libc(\u5f0a\u7814\u7a76\u5ba4\u306e\u67d0\u8ab2\u984c\u306b\u3064\u3044\u3066\u8003\u3048\u308b12\u65e5\u76ee)"}