{"provider_url":"https://hatena.blog","published":"2006-06-18 00:00:01","author_url":"https://blog.hatena.ne.jp/yupo5656/","provider_name":"Hatena Blog","categories":["GCC"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyupo5656.hatenadiary.org%2Fentry%2F20060618%2Fp1\" title=\" ld -z relro \u3067 GOT overwrite attack \u304b\u3089\u8eab\u3092\u5b88\u308b - memologue\" 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":"memologue","author_name":"yupo5656","title":" ld -z relro \u3067 GOT overwrite attack \u304b\u3089\u8eab\u3092\u5b88\u308b","url":"https://yupo5656.hatenadiary.org/entry/20060618/p1","height":"190","width":"100%","version":"1.0","description":"GOT overwrite? \"GOT overwrite\" \u3068\u3044\u3046\u3001(\u3053\u3053\u3067\u306f\u7279\u306bLinux\u306e)\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u5bfe\u3059\u308b\u653b\u6483\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u653b\u6483\u304c\u6210\u529f\u3059\u308b\u3068\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6a29\u9650\u3067\u306e\u4efb\u610f\u30b3\u30fc\u30c9\u5b9f\u884c\u7b49\u3001\u6df1\u523b\u306a\u88ab\u5bb3\u3092\u53d7\u3051\u307e\u3059\u3002\u6700\u8fd1\u306eGNU ld(\u30ea\u30f3\u30ab)\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u7528\u3044\u308b\u3068\u3001\u3053\u306e\u653b\u6483\u304b\u3089\u8eab\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305d\u3046\u3067\u3059\u306e\u3067\u3001\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u6700\u521d\u306b\u307e\u3068\u3081 \uff08\u3053\u307e\u304b\u3044\u3053\u3068\u306f\u3042\u3068\u3067\uff09 GOT overwrite \u304b\u3089\u8eab\u3092\u5b88\u308b\u306b\u306f\u3001gcc\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30ea\u30f3\u30af\u3059\u308b\u3068\u304d\u306b\u3001 -Wl,-z,now,-z,relro \u3092\u3064\u3051\u308b\u3060\u3051\u3067\u3059\u3002\u8d77\u52d5\u6642\u9593\u304c\u9045\u304f\u306a\u308b\u3068\u3044\u3046\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u304c\u3042\u308a\u307e\u3059\u304c\u3001GOT\u304creadonly\u306b\u306a\u308a\u307e\u3059\u3002G\u2026","type":"rich","blog_url":"https://yupo5656.hatenadiary.org/","image_url":null}