{"type":"rich","categories":["CTF","Writeup","SECCON"],"provider_url":"https://hatena.blog","url":"https://ptr-yudai.hatenablog.com/entry/2019/05/01/020001","provider_name":"Hatena Blog","blog_url":"https://ptr-yudai.hatenablog.com/","height":"190","title":"\u548c\u66a6 - SECCON \u4ee4\u548cCTF Writeup","author_name":"ptr-yudai","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F05%2F01%2F020001\" title=\"\u548c\u66a6 - SECCON \u4ee4\u548cCTF Writeup - 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","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","version":"1.0","published":"2019-05-01 02:00:01","description":"Pwn\u304c1\u554f\u3060\u3051\u3042\u3063\u305f\u306e\u3067\u3084\u308a\u307e\u3057\u305f\u3002 [Pwn 268pts] \u548c\u66a6 \u8aac\u660e\u6587\uff1a\u897f\u66a6\u3092\u548c\u66a6\u306b\u5909\u63db\u3057\u3066\u304f\u308c\u308b\u3088 \u30b5\u30fc\u30d0\uff1anc wareki-o-reiwa.seccon.jp 36294 64\u30d3\u30c3\u30c8\u30d0\u30a4\u30ca\u30ea\u304c\u3082\u3089\u3048\u307e\u3059\u3002 $ checksec wareki [*] 'wareki' Arch: 64 bits (little endian) NX: NX enabled SSP: SSP enabled (Canary found) RELRO: Full RELRO PIE: PIE enabled \u6a5f\u80fd\u3068\u3057\u3066\u306f(1)\u548c\u66a6\u5909\u63db\u3068(2)\u30d5\u30e9\u30b0\u8aad\u307f\u8fbc\u307f\u304c\u3042\u308a\u307e\u3059\u3002 \u548c\u66a6\u5909\u63db\u3067\u306f\u897f\u66a6\u3092\u5165\u529b\u3059\u308b\u3068\u5927\u6b63\u2026","image_url":null}