{"width":"100%","height":"190","provider_name":"Hatena Blog","url":"https://u3nerd.hatenablog.com/entry/2023/10/24/201405","categories":["Portswigger"],"version":"1.0","title":" Lab: JWT authentication bypass via algorithm confusion \u3092\u3084\u3063\u3066\u307f\u305f","published":"2023-10-24 20:14:05","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fu3nerd.hatenablog.com%2Fentry%2F2023%2F10%2F24%2F201405\" title=\" Lab: JWT authentication bypass via algorithm confusion \u3092\u3084\u3063\u3066\u307f\u305f - The light of hope to the other side of the tunnel - Kotsu Kotsu To -\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://u3nerd.hatenablog.com/","type":"rich","provider_url":"https://hatena.blog","author_name":"U3nerd","description":"PortSwigger\u306eWebSecurityAcademy \u306e\u30e9\u30dc\u3092\u3084\u3063\u3066\u307f\u305f \u3053\u306e\u30e9\u30dc\u3067\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u51e6\u7406\u306b JWT \u30d9\u30fc\u30b9\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3002 \u5805\u7262\u306a RSA \u30ad\u30fc \u30da\u30a2\u3092\u4f7f\u7528\u3057\u3066\u30c8\u30fc\u30af\u30f3\u306e\u7f72\u540d\u3068\u691c\u8a3c\u3092\u884c\u3044\u3002 \u305f\u3060\u3057\u3001\u5b9f\u88c5\u4e0a\u306e\u6b20\u9665\u306b\u3088\u308a\u3001\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u6df7\u4e71\u653b\u6483\u306b\u5bfe\u3057\u3066\u8106\u5f31de\u3002 \u30e9\u30dc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b\u30ad\u30fc\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u6a19\u6e96\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u7d4c\u7531\u3067\u516c\u958b\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u7ba1\u7406\u30d1\u30cd\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u5909\u66f4\u3055\u308c\u305f\u30bb\u30c3\u30b7\u30e7\u30f3 \u30c8\u30fc\u30af\u30f3\u306b\u7f72\u540d\u3057\u307e\u3059\u3002 /admin\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u524a\u9664\u3057\u307e\u3059 carlos\u3002 \u307e\u305a\u306fwiener:peter \u3067\u30ed\u30b0\u30a4\u30f3\u2026","author_url":"https://blog.hatena.ne.jp/U3nerd/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/U/U3nerd/20231024/20231024195724.png","blog_title":"The light of hope to the other side of the tunnel - Kotsu Kotsu To -"}