{"height":"190","blog_url":"https://ptr-yudai.hatenablog.com/","categories":[],"width":"100%","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","title":"\u3010\u691c\u8a3c\u5c0f\u30cd\u30bf\u3011\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u30d2\u30fc\u30d7\u306e\u9593\u306e\u5fc3\u306e\u6e9d","type":"rich","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2022%2F10%2F10%2F165046\" title=\"\u3010\u691c\u8a3c\u5c0f\u30cd\u30bf\u3011\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u30d2\u30fc\u30d7\u306e\u9593\u306e\u5fc3\u306e\u6e9d - 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>","published":"2022-10-10 16:50:46","description":"TL\u306b\u3053\u3093\u306a\u30c4\u30a4\u30fc\u30c8\u304c\u6d41\u308c\u3066\u304d\u305f\u3002 SekaiCTF\u306eDiscord\u3067PIE Disabled\u3060\u3068heap\u306e\u30e9\u30f3\u30c0\u30de\u30a4\u30ba\u304c\u5f31\u304f\u306a\u308b\u3063\u3066\u51fa\u3066\u304d\u305f\u3051\u3069\u3001\u3082\u3057\u672c\u5f53\u306a\u3089\u6839\u62e0\u3068\u3044\u3046\u304b\u4ed5\u7d44\u307f\u77e5\u308a\u305f\u3044\u306a\u2014 \u3066\u3093\u3077 (@t3mpwn) October 2, 2022 \u305d\u3093\u306a\u308f\u3051\u306a\u3044\u3084\u308d\u3069\u3053\u306e\u90fd\u5e02\u4f1d\u8aac\u3060\u3088\u3068\u601d\u3044\u306a\u304c\u3089\u3001PIE\u7121\u52b9\u306e\u3068\u304d\u306e\u30d2\u30fc\u30d7\u306f\u30a2\u30c9\u30ec\u30b9\u304c\u5c0f\u3055\u3044\u306e\u3067\u4f55\u304b\u6109\u5feb\u306a\u3053\u3068\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u3067\u306f\u3068\u3044\u3046\u7591\u5ff5\u3082\u6368\u3066\u3089\u308c\u306a\u304b\u3063\u305f\u3002 \u3068\u3044\u3046\u306e\u3082\u3001\u6614SECCON\u3067malloc\u306bNULL\u3092\u8fd4\u3055\u305b\u3066\u7bc4\u56f2\u5916\u53c2\u7167\u3067GOT\u3092\u7834\u58ca\u3059\u308b\u3068\u3044\u3046\u554f\u984c\u3092\u51fa\u3057\u305f\u3002 \u3053\u306e\u3068\u304d\u3042\u308b\u30c1\u30fc\u30e0\u304c\u5927\u91cf\u306e\u63a5\u7d9a\u3092\u8cbc\u3063\u3066\u3044\u305f\u305f\u3081\u6012\u308a\u306b\u884c\u3063\u305f\u306e\u3060\u304c\u3001\u305d\u306e\u30c1\u30fc\u30e0\u306f\u2026","author_name":"ptr-yudai","version":"1.0","blog_title":"CTF\u3059\u308b\u305e","url":"https://ptr-yudai.hatenablog.com/entry/2022/10/10/165046","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/p/ptr-yudai/20221010/20221010161949.png"}