{"title":"TryHackMe: Race Conditions writeup","version":"1.0","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/masami256/","description":"Race Conditions tryhackme.com What is the flag for the /home/walk/flag binary? At first, I read anti_flag_reader.c to find vulnerability. int main(int argc, char **argv, char **envp) { int n; char buf[1024]; struct stat lstat_buf; if (argc != 2) { puts(\"Usage: anti_flag_reader <FILE>\"); return 1; } \u2026","categories":["ctf","tryhackme"],"published":"2023-06-10 13:39:02","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/masami256/20230610/20230610131304.png","blog_title":"\u03c6(\u30fb\u30fb*)\u309e \uff73\uff70\uff9d\u3000\u30ab\u30fc\u30cd\u30eb\u3068\u304b\u5f04\u3063\u305f\u308a\u306e\u30e1\u30e2","blog_url":"https://kernhack.hatenablog.com/","type":"rich","url":"https://kernhack.hatenablog.com/entry/2023/06/10/133902","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkernhack.hatenablog.com%2Fentry%2F2023%2F06%2F10%2F133902\" title=\"TryHackMe: Race Conditions writeup - \u03c6(\u30fb\u30fb*)\u309e \uff73\uff70\uff9d\u3000\u30ab\u30fc\u30cd\u30eb\u3068\u304b\u5f04\u3063\u305f\u308a\u306e\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"masami256","provider_name":"Hatena Blog","width":"100%","height":"190"}