{"id":1516,"date":"2024-04-01T19:33:00","date_gmt":"2024-04-01T11:33:00","guid":{"rendered":"https:\/\/systw.net\/note\/?p=1516"},"modified":"2025-06-09T14:02:50","modified_gmt":"2025-06-09T06:02:50","slug":"business-logic-vulnerabilities","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/1516","title":{"rendered":"Business Logic Vulnerabilities"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>\u9019\u662f\u662f\u61c9\u7528\u7a0b\u5f0f\u8a2d\u8a08\u548c\u5be6\u4f5c\u4e2d\u5e38\u898b\u7684\u7f3a\u9677\uff0c\u5141\u8a31\u653b\u64ca\u8005\u5f15\u767c\u610f\u5916\u884c\u70ba\u3002 \u9019\u53ef\u80fd\u4f7f\u653b\u64ca\u8005\u80fd\u5920\u64cd\u7e31\u5408\u6cd5\u529f\u80fd\u4f86\u5be6\u73fe\u60e1\u610f\u76ee\u6a19\u3002 \u8b58\u5225\u5b83\u5011\u901a\u5e38\u9700\u8981\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4eba\u985e\u77e5\u8b58\uff0c\u4f8b\u5982\u4e86\u89e3\u696d\u52d9\u9818\u57df\u6216\u653b\u64ca\u8005\u5728\u7d66\u5b9a\u4e0a\u4e0b\u6587\u4e2d\u53ef\u80fd\u6709\u4ec0\u9ebc\u76ee\u6a19\u3002 \u9019\u4f7f\u5f97\u4f7f\u7528\u81ea\u52d5\u6f0f\u6d1e\u6383\u63cf\u5668\u5f88\u96e3\u6aa2\u6e2c\u5230\u5b83\u5011\u3002 \u56e0\u6b64\uff0cBusiness Logic Vulnerabilities(\u696d\u52d9\u908f\u8f2f\u6f0f\u6d1e)\u901a\u5e38\u662f\u932f\u8aa4\u8cde\u91d1\u7375\u4eba\u548c\u624b\u52d5\u6e2c\u8a66\u4eba\u54e1\u7684\u91cd\u8981\u76ee\u6a19\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u908f\u8f2f\u6f0f\u6d1e\u7684\u7522\u751f \uff0c\u662f\u56e0\u70ba\u8a2d\u8a08\u548c\u958b\u767c\u5718\u968a\u5c0d\u4f7f\u7528\u8005\u5982\u4f55\u8207\u61c9\u7528\u7a0b\u5f0f\u4e92\u52d5\u505a\u51fa\u4e86\u6709\u7f3a\u9677\u7684\u5047\u8a2d\u3002\u5e38\u898b\u7684\u554f\u984c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u904e\u5ea6\u4fe1\u4efb\u4f7f\u7528\u8005\u64cd\u4f5c\uff1a\u4f8b\u5982\u672a\u6aa2\u67e5\u4f7f\u7528\u8005\u8f38\u5165<\/li>\n\n\n\n<li>\u8f38\u5165\u7bc4\u570d\u8655\u7406\u4e0d\u7576\uff1a\u4f8b\u5982\u6b63\u8ca0\u7bc4\u570d\u672a\u8655\u7406,\u6578\u5b57\u908a\u754c\u8655\u7406\u4e0d\u7576, \u5c0d\u7570\u5e38\u8f38\u5165\u7684\u8655\u7406\u4e0d\u4e00\u81f4<\/li>\n\n\n\n<li>\u4f7f\u7528\u8005\u4e0d\u6703\u7e3d\u662f\u9075\u5faa\u9810\u671f\u7684\u9806\u5e8f\uff1a\u4f8b\u5982\u5728\u7279\u5b9a\u6d41\u7a0b\u8f38\u5165\u7684\u5408\u7406\u6027\u672a\u9a57\u8b49, \u7aef\u9ede\u672a\u9694\u96e2, \u6c92\u6709\u5b8c\u6574\u7684\u6d41\u7a0b\u6aa2\u67e5, \u53ef\u4ee5\u8df3\u904e\u6d41\u7a0b\u7684\u6aa2\u67e5\u9ede<\/li>\n\n\n\n<li>\u7279\u5b9a\u65bc\u696d\u52d9\u9818\u57df\u7684\u908f\u8f2f\u7f3a\u9677\uff1a\u4f8b\u5982\u672a\u6aa2\u67e5\u696d\u52d9\u72c0\u614b, \u5229\u7528\u696d\u52d9\u898f\u5247\u5957\u5229<\/li>\n<\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u672a\u6aa2\u67e5\u4f7f\u7528\u8005\u8f38\u5165<\/h2>\n\n\n\n<p>\u4f7f\u7528\u8005\u9001\u51fa\u8acb\u6c42\u6642\u76f4\u63a5\u5c07\u5546\u54c1\u50f9\u683c\u4fee\u6539\u6210\u4f4e\u50f9\uff0c\u7cfb\u7d71\u4e5f\u63a5\u53d7\u9019\u500b\u50f9\u683c<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u9078\u64c7\u5546\u54c1\u653e\u5165\u8cfc\u7269\u8eca\u6642\uff0c\u53ef\u4ee5\u770b\u5230\u4ee5\u8acb\u6c42\uff0c\u50f9\u683c\u70ba1337<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>POST \/cart HTTP\/2\n...omit...\nproduct=1&amp;redir=PRODUCT&amp;quantity=1&amp;price=1337<\/code><\/pre>\n\n\n\n<p>\u56e0\u70ba\u904e\u5ea6\u4fe1\u4efb\u4f7f\u7528\u8005\u64cd\u4f5c\uff0c\u6240\u4ee5\u7528\u6236\u53ef\u76f4\u63a5\u4fee\u6539\u50f9\u683c\uff0c\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>POST \/cart HTTP\/2\n...omit...\nproduct=1&amp;redir=PRODUCT&amp;quantity=1&amp;price=1<\/code><\/pre>\n\n\n\n<p>\u6b64\u6642\u5230\u8cfc\u7269\u8eca\u5f8c\u5c31\u6703\u767c\u73fe\u9019\u500b\u5546\u54c1\u8b8a\u62101\u5143<\/p>\n\n\n\n<p>Lab: Excessive trust in client-side controls<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6b63\u8ca0\u7bc4\u570d\u672a\u8655\u7406<\/h2>\n\n\n\n<p>\u9001\u51fa\u8acb\u6c42\u6642\u5c07\u8cfc\u8cb7\u6578\u6539\u6210\u8ca0\u6578,\u5c0e\u81f4\u8cb7\u8d8a\u591a\u5546\u54c1\u8d8a\u4fbf\u5b9c<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u9078\u64c7\u5546\u54c1\u653e\u5165\u8cfc\u7269\u8eca\u6642\uff0c\u8f38\u5165\u8ca0\u91d1\u984d\u7db2\u7ad9\u4e0d\u6703\u963b\u64cb\uff0c<\/p>\n\n\n\n<p>\u56e0\u6b64\u53ef\u4ee5\u5148\u9078\u64c7\u5546\u54c1\uff0c\u4e26\u5c07\u6578\u91cf\u6539\u6210\u8ca0\u6578\u5f8c\u653e\u5165\u8cfc\u7269\u8eca\uff0c\u5982\u4e0b  <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>POST \/cart HTTP\/2\n...omit...\nproduct=2&amp;redir=PRODUCT&amp;quantity=-10&amp;price=1337<\/code><\/pre>\n\n\n\n<p>\u5728\u7d50\u5e33\u9801\u9762\u6703\u767c\u73fe\u7d50\u5e33\u91d1\u984d\u8b8a\u8ca0\uff0c\u4f46\u56e0\u70ba\u662f\u8ca0\u91d1\u984d\u7121\u6cd5\u7d50\u5e33<\/p>\n\n\n\n<p>\u56e0\u6b64\u8981\u5728\u9078\u64c7\u5176\u4ed6\u5546\u54c1\u653e\u5165\u8cfc\u7269\u8eca\uff0c\u4e00\u76f4\u5230\u7d50\u5e33\u91d1\u984d\u8b8a\u6210\u6b63\u6578\uff0c\u5c31\u53ef\u4ee5\u6b63\u5e38\u7d50\u5e33<\/p>\n\n\n\n<p>Lab: High-level logic vulnerability<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6578\u5b57\u908a\u754c\u8655\u7406\u4e0d\u7576<\/h2>\n\n\n\n<p>\u6545\u610f\u8cb7\u5f88\u591a\u5546\u54c1\uff0c\u8b93\u7d50\u5e33\u91d1\u984d\u7a81\u7834\u6b63\u6578\u4e0a\u9650\u503c\u800c\u8f49\u6210\u8ca0\u6578<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u8cfc\u7269\u8eca\u7d50\u5e33\u6642\uff0c\u91d1\u984d\u8d85\u904e2,147,483,647\u6703\u8b8a\u6210-2,147,483,647 <\/p>\n\n\n\n<p>\u6240\u4ee5\u5148\u9078\u64c7\u5546\u54c1\u4e26\u5c07\u6578\u91cf\u8a2d\u5b9a99\u5f8c\u653e\u5165\u8cfc\u7269\u8eca\uff0c\u5728\u628a\u4ee5\u4e0b\u8acb\u6c42\u50b3\u5230burp intruder\uff0c\u9078\u64c7<code>null payloads<\/code>\u5f8c\u8a2d\u5b9a<code>Continue indefinitely<\/code>\u767c\u52d5\u653b\u64ca<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>POST \/cart HTTP\/2\n...omit...\nproduct=1&amp;redir=PRODUCT&amp;quantity=99&amp;price=1337<\/code><\/pre>\n\n\n\n<p>\u7576\u653b\u64ca\u6b63\u5728\u9032\u884c\u6642\uff0c\u5237\u65b0\u9801\u9762\u76e3\u63a7\u7e3d\u50f9\uff0c\u4e00\u4f46\u7e3d\u50f9\u8d85\u904e2,147,483,647\u5c31\u6703\u8b8a\u6210-2,147,483,648\uff0c\u7136\u5f8c\u6162\u6162\u63a5\u8fd10<\/p>\n\n\n\n<p>\u4e00\u65e6\u5feb\u63a5\u8fd10\u5c31\u53ef\u4ee5\u505c\u6b62\u653b\u64ca\uff0c\u4e26\u642d\u914d\u9078\u64c7\u5176\u4ed6\u5546\u54c1\u8b93\u7e3d\u50f9\u7dad\u6301\u57280-100\u4e4b\u9593<\/p>\n\n\n\n<p>Lab: Low-level logic flaw<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c0d\u7570\u5e38\u8f38\u5165\u7684\u8655\u7406\u4e0d\u4e00\u81f4<\/h2>\n\n\n\n<p>\u5229\u7528\u8f38\u5165\u9577\u5ea6\u622a\u6bb5\u7279\u6027,\u507d\u9020\u7279\u5b9a\u5e33\u865f<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u5728\u8a3b\u518a\u5e33\u865f\u6642\uff0c\u7cfb\u7d71\u6703\u628a\u7528<code>@dontwannacry.com<\/code>\u4fe1\u7bb1\u8a3b\u518a\u7684\u5e33\u865f\u7576\u505aadmin\uff0c\u800c\u4e14\u53ea\u652f\u6301255\u500b\u5b57\u5143<\/p>\n\n\n\n<p>\u6240\u4ee5\u5148\u8a2d\u8a08\u4e00\u500b<code>@dontwannacry.com<\/code>\u57df\u540d\u7684email\u5e33\u865f\uff0c\u9577\u5ea6\u8981255\u5b57\u5143\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234verylongstringverylongstringverylongst@dontwannacry.com<\/code><\/pre>\n\n\n\n<p>\u5728\u8a2d\u8a08\u4e00\u500b\u5305\u542bdontwannacry.com\u5b57\u7b26\u4e32\u7684email\u57df\u540d\uff0c\u4e26\u52a0\u5165\u5176\u4e2d\uff0c\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234verylongstringverylongstringverylongst@dontwannacry.com<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">.ac881fc51ee252ee80936d82019b0090.web-security-academy.net<\/mark><\/code><\/pre>\n\n\n\n<p>\u78ba\u8a8d\u8a72\u57df\u540d<code>@dontwannacry.com.ac881fc51ee252ee80936d82019b0090.web-security-academy.net<\/code>\u80fd\u6536\u5230\u4fe1\u5f8c\uff0c\u7528\u9019\u500bemail\u8a3b\u518a\uff0c\u6536\u5230\u4fe1\u9ede\u64ca\u78ba\u8a8d\u93c8\u7d50\u5f8c\uff0c\u8a3b\u518a\u6210\u529f\u4e26\u767b\u5165<\/p>\n\n\n\n<p>\u4f46\u56e0\u70ba\u7db2\u7ad9\u5728\u767b\u5165\u8a3b\u518a\u7684\u908f\u8f2f\u4e0a\u6709\u554f\u984c\uff0c\u7576\u5e33\u6236\u8d85\u904e255\u500b\u5b57\u6703\u88ab\u622a\u6bb5\uff0c\u56e0\u6b64\u7db2\u7ad9\u6703\u8aa4\u8a8d\u70ba\u662f\u7528\u4ee5\u4e0b\u7684<code>@dontwannacry.com<\/code>\u7576\u505a\u8a3b\u518a\u5e33\u865f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234attack1234verylongstringverylongstringverylongst@dontwannacry.com<\/code><\/pre>\n\n\n\n<p>\u7531\u65bc\u7cfb\u7d71\u6703\u628a\u7528<code>@dontwannacry.com<\/code>\u4fe1\u7bb1\u8a3b\u518a\u7684\u5e33\u865f\u7576\u505aadmin\uff0c\u56e0\u6b64\u6210\u529f\u7372\u5f97\u7ba1\u7406\u8005\u6b0a\u9650<\/p>\n\n\n\n<p>Lab: Inconsistent handling of exceptional input<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5728\u7279\u5b9a\u6d41\u7a0b\u8f38\u5165\u7684\u5408\u7406\u6027\u672a\u9a57\u8b49<\/h2>\n\n\n\n<p>\u7cfb\u7d71\u63d0\u4f9b\u7528\u6236\u6539\u81ea\u5df1email\u7684\u529f\u80fd\uff0c\u4f46\u56e0\u70ba\u7cfb\u7d71\u6c92\u6709\u5c0demail\u505a\u9a57\u8b49\uff0c\u6240\u4ee5\u7528\u6236\u53ef\u4ee5\u5c07email\u6539\u6210\u4efb\u4f55\u503c<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u6703\u628a\u7528<code>@dontwannacry.com<\/code>\u4fe1\u7bb1\u8a3b\u518a\u7684\u5e33\u865f\u7576\u505aadmin<\/p>\n\n\n\n<p>\u6240\u4ee5\u53ef\u5148\u65b0\u8a3b\u518a\u4e00\u500b\u5e33\u865f\uff0c\u7136\u5f8c\u5728\u628a\u81ea\u5df1\u7684email\u6539\u70ba<code>xxx@dontwannacry.com<\/code><\/p>\n\n\n\n<p>\u4f46\u56e0\u70ba\u7db2\u7ad9\u5b58\u5728\u908f\u8f2f\u6f0f\u6d1e\uff0c\u6c92\u6709\u9650\u5236\u9019\u500b\u884c\u70ba\uff0c\u800c\u4e14\u7cfb\u7d71\u53ea\u7528email\u5224\u65b7\u7ba1\u7406\u8005\uff0c\u7576\u7cfb\u7d71\u767c\u73fe\u525b\u65b0\u8a3b\u518a\u7684\u5e33\u865f\u70ba<code>xxx@dontwannacry.com<\/code>\uff0c\u5c31\u6703\u5224\u5b9a\u70ba\u7ba1\u7406\u8005\u3002 \u56e0\u6b64\u65b0\u8a3b\u518a\u7684\u5e33\u865f\u6210\u529f\u53d6\u5f97admin\u8eab\u4efd<\/p>\n\n\n\n<p>Lab: Inconsistent security controls<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7aef\u9ede\u672a\u9694\u96e2<\/h2>\n\n\n\n<p>\u7cfb\u7d71\u63d0\u4f9b\u7528\u6236\u6539\u81ea\u5df1\u5bc6\u78bc\u7684\u529f\u80fd\uff0c\u4f46\u56e0\u70ba\u7cfb\u7d71\u6c92\u6709\u505a\u9650\u5236\uff0c\u6240\u4ee5\u7528\u6236\u53ef\u4ee5\u6539\u4efb\u4f55\u4eba\u7684\u5bc6\u78bc<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u63d0\u4f9b\u7528\u6236\u81ea\u5df1\u6539\u5bc6\u78bc\u7684\u529f\u80fd\uff0c\u4f46\u4e26\u4e0d\u9700\u8981\u8f38\u5165\u820a\u5bc6\u78bc\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>POST \/my-account\/change-password HTTP\/2\n...omit...\ncsrf=89efyur6238edkf34&amp;<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">username=wiener<\/mark>&amp;new-password-1=123qwe&amp;new-password-2=123qwe<\/code><\/pre>\n\n\n\n<p>\u56e0\u6b64\u53ef\u4ee5\u76f4\u63a5\u628ausername\u63db\u6210administrator\uff0c\u7136\u5f8c\u76f4\u63a5administrator\u7684\u5bc6\u78bc\u6539\u6210123qwe\uff0c\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>POST \/my-account\/change-password HTTP\/2\n...omit...\ncsrf=89efyur6238edkf34&amp;<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">username=administrator<\/mark>&amp;new-password-1=123qwe&amp;new-password-2=123qwe<\/code><\/pre>\n\n\n\n<p>Lab: Weak isolation on dual-use endpoint<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6c92\u6709\u5b8c\u6574\u7684\u6d41\u7a0b\u6aa2\u67e5<\/h2>\n\n\n\n<p>\u4f7f\u7528\u8005\u53ea\u8981\u9001\u51fa\u78ba\u8a8d\u5b8c\u6210\u7684\u53c3\u6578\uff0c\u7cfb\u7d71\u4e0d\u6aa2\u67e5\u5c31\u5224\u5b9a\u6d41\u7a0b\u5b8c\u6210<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u5c07\u5546\u54c1\u653e\u5165\u8cfc\u7269\u8eca\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b2\u6b65\u9a5f\u7d50\u5e33<\/p>\n\n\n\n<p>1.<code>POST \/cart\/checkout <\/code>  \uff08\u7d71\u8a08\u91d1\u984d100\uff09<\/p>\n\n\n\n<p>2.<code>GET \/cart\/order-confirmation?order-confirmation=true<\/code>   ( \u78ba\u8a8d\u91d1\u984d100\u4ed8\u6b3e\u5b8c\u6210 )<\/p>\n\n\n\n<p>\u4f46\u56e0\u70ba\u7cfb\u7d71\u6c92\u6709\u5b8c\u6574\u6aa2\u67e5\u53c3\u6578\uff0c\u56e0\u6b64\u653b\u64ca\u8005\u53ef\u4ee5\u5728\u7b2c2\u6b65\u6700\u5f8c\u7d50\u5e33\u5b8c\u6210\u78ba\u8a8d\u524d\uff0c\u52a0\u5165\u5176\u4ed6\u5546\u54c1\uff0c\u5982\u4e0b<\/p>\n\n\n\n<p>1.1 <code>POST \/cart\/checkout<\/code>  \uff08\u7d71\u8a08\u91d1\u984d100\uff09<\/p>\n\n\n\n<p>1.2 \u52a0\u5165\u5176\u4ed6\u5546\u54c1 <\/p>\n\n\n\n<p>2.<code>GET \/cart\/order-confirmation?order-confirmation=true<\/code> ( \u78ba\u8a8d\u91d1\u984d100\u4ed8\u6b3e\u5b8c\u6210 )<\/p>\n\n\n\n<p>\u53ea\u9700\u8981\u50b3\u9001\u8cfc\u8cb7\u7d50\u5e33\u5b8c\u6210\u7684\u53c3\u6578\uff0c\u7cfb\u7d71\u5c31\u6703\u4ee5\u70ba\u7d50\u5e33\u5b8c\u6210\uff0c\u653b\u64ca\u8005\u5c31\u53ef\u4ee5\u5f97\u5230\u5546\u54c1<\/p>\n\n\n\n<p>Lab: Insufficient workflow validation<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53ef\u4ee5\u8df3\u904e\u6d41\u7a0b\u7684\u6aa2\u67e5\u9ede<\/h2>\n\n\n\n<p>\u5728\u767b\u5165\u6642\u907f\u958b\u6b0a\u9650\u8a2d\u5b9a\u7684\u53c3\u6578\uff0c\u5c0e\u81f4\u7cfb\u7d71\u7121\u6cd5\u5c07\u6b0a\u9650\u505a\u8abf\u6574\uff0c\u8b93\u4f7f\u7528\u53d6\u5f97\u9ed8\u8a8d\u6b0a\u9650<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u767b\u5165\u6d41\u7a0b\u5982\u4e0b<\/p>\n\n\n\n<p>1 <code>POST \/login<\/code>  \u8f38\u5165\u5e33\u5bc6\u767b\u5165<\/p>\n\n\n\n<p>2 <code>GET \/role-selector<\/code> \u5e33\u5bc6\u78ba\u8a8d\u6210\u529f\u5f8c\u53d6\u5f97\u6240\u6709\u6b0a\u9650\uff0c\u6240\u4ee5\u6703\u6839\u64da\u5e33\u865f\u89d2\u8272\u5c07\u4e0d\u5fc5\u8981\u7684\u6b0a\u9650\u522a\u9664<\/p>\n\n\n\n<p>\u6240\u4ee5\u653b\u64ca\u6642\u53ea\u8981\u628a\u7b2c2\u6b65\u7684\u8acb\u6c42\u4e1f\u6389\uff0c\u7db2\u7ad9\u5c31\u4e0d\u6703\u8abf\u6574\u6b0a\u9650\uff0c\u56e0\u6b64\u5c31\u6703\u7dad\u6301\u6240\u6709\u6b0a\u9650\u7684\u72c0\u614b<\/p>\n\n\n\n<p>Lab: Authentication bypass via flawed state machine<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u672a\u6aa2\u67e5\u696d\u52d9\u72c0\u614b<\/h2>\n\n\n\n<p>\u696d\u52d9\u898f\u5247\u57f7\u884c\u6642\u5b58\u5728\u7f3a\u9677\uff0c\u5728\u6d41\u7a0b\u4e2d\u6c92\u6709\u8a18\u9304\u91cd\u8981\u72c0\u614b<\/p>\n\n\n\n<p>\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u63d0\u4f9bcoupon\u529f\u80fd\uff0c\u4e00\u500bcoupon code\u53ea\u80fd\u7528\u4e00\u6b21\uff0c\u9023\u7e8c\u4f7f\u7528\u6703\u88ab\u7cfb\u7d71\u7981\u6b62<\/p>\n\n\n\n<p>\u4f46\u8a72\u7cfb\u7d71\u6709\u908f\u8f2f\u6f0f\u6d1e\uff0c\u53ea\u6bd4\u8f03\u4e0a\u4e00\u6b21\u7684coupon code\u505a\u5224\u65b7\uff0c\u56e0\u6b64\u80fd\u7528\u4ee5\u4e0b\u65b9\u5f0f\u7e5e\u904e\u6709\u7f3a\u9677\u7684\u6aa2\u67e5\u6a5f\u5236<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c1\u6b21\uff0c\u4f7f\u7528coupon code a<\/li>\n\n\n\n<li>\u7b2c2\u6b21\uff0c\u4f7f\u7528coupon code b<\/li>\n\n\n\n<li>\u7b2c3\u6b21\uff0c\u4f7f\u7528coupon code a \u53ef\u4ee5\u6210\u529f\uff0c\u56e0\u70ba\u548c\u4e0a\u6b21coupon code b\u4e0d\u540c\uff0c\u6240\u4ee5\u7cfb\u7d71\u4ee5\u70ba\u6c92\u7528\u904e<\/li>\n<\/ul>\n\n\n\n<p>Lab: Flawed enforcement of business rules<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5229\u7528\u696d\u52d9\u898f\u5247\u5957\u5229<\/h2>\n\n\n\n<p>\u5229\u7528\u5373\u6709\u5546\u696d\u898f\u5247\uff0c\u627e\u51fa\u53ef\u4ee5\u5957\u5229\u7684\u65b9\u6cd5<\/p>\n\n\n\n<p>\u67d0\u4e00\u7db2\u7ad9\u63d0\u4f9b\u4ee5\u4e0b\u6a5f\u5236<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>coupon code:   \u53ef\u514d\u8cbb\u53d6\u5f97, \u4e0d\u9650\u5236\u4f7f\u7528\u6b21\u6578, \u8cb7\u4efb\u4f55\u5546\u54c1\u53ef\u4ee5\u62537\u6298<\/li>\n\n\n\n<li>gift card:   \u53d6\u5f97\u4e00\u5f35\u8981\u82b110\u5143,  1\u5f35\u53ea\u80fd\u75281\u6b21, \u53ef\u6298\u627a\u5546\u54c1\u50f9\u683c10\u5143\u4e5f\u53ef\u63db\u6210\u7b49\u50f9\u73fe\u91d1<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64\u53ea\u8981\u900f\u904e\u4ee5\u4e0b\u6b65\u9a5f\u5c31\u80fd\u5957\u5229<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7528coupon code\u8cb7gift card\u53ea\u89817\u5143<\/li>\n\n\n\n<li>\u628agift card\u63db\u6210\u7b49\u50f9\u73fe\u91d110\u5143\uff0c\u5c31\u80fd\u73fe\u8cfa3\u5143<\/li>\n\n\n\n<li>\u91cd\u89861-2\u6b65\u9a5f\u591a\u6b21\uff0c\u5c31\u80fd\u8cb7\u5230\u4efb\u4f55\u50f9\u683c\u7684\u5546\u54c1<\/li>\n<\/ol>\n\n\n\n<p>Lab: Infinite money logic flaw<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7528\u5408\u6cd5\u63a9\u98fe\u975e\u6cd5\uff0c\u90194\u7a2e\u696d\u52d9\u908f\u8f2f\u5b89\u5168\u6f0f\u6d1e\uff0c\u7a7f\u904e\u4fdd\u8b77\u6a5f\u5236\u5957\u5229\u63d0\u6b0a\u3002\u9019\u662f\u61c9\u7528\u7a0b\u5f0f\u8a2d\u8a08\u548c\u5be6\u4f5c\u4e2d\u5e38\u898b\u7684\u7f3a\u9677\uff0c\u5141\u8a31\u653b\u64ca\u8005\u5f15\u767c\u610f\u5916\u884c\u70ba\u3002 \u9019\u53ef\u80fd\u4f7f\u653b\u64ca\u8005\u80fd\u5920\u64cd\u7e31\u5408\u6cd5\u529f\u80fd\u4f86\u5be6\u73fe\u60e1\u610f\u76ee\u6a19\u3002 \u8b58\u5225\u5b83\u5011\u901a\u5e38\u9700\u8981\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4eba\u985e\u77e5\u8b58\uff0c\u4f8b\u5982\u4e86\u89e3\u696d\u52d9\u9818\u57df\u6216\u653b\u64ca\u8005\u5728\u7d66\u5b9a\u4e0a\u4e0b\u6587\u4e2d\u53ef\u80fd\u6709\u4ec0\u9ebc\u76ee\u6a19\u3002 \u9019\u4f7f\u5f97\u4f7f\u7528\u81ea\u52d5\u6f0f\u6d1e\u6383\u63cf\u5668\u5f88\u96e3\u6aa2\u6e2c\u5230\u5b83\u5011\u3002 \u56e0\u6b64\uff0cBusiness Logic Vulnerabilities(\u696d\u52d9\u908f\u8f2f\u6f0f\u6d1e)\u901a\u5e38\u662f\u932f\u8aa4\u8cde\u91d1\u7375\u4eba\u548c\u624b\u52d5\u6e2c\u8a66\u4eba\u54e1\u7684\u91cd\u8981\u76ee\u6a19\u3002<\/p>\n","protected":false},"author":1,"featured_media":1620,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/i.imgur.com\/YAFB39H.jpg","fifu_image_alt":"Business Logic Vulnerabilities","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[367],"tags":[],"class_list":["post-1516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-logic-vulnerabilities"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/i.imgur.com\/YAFB39H.jpg?fit=161%2C81&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/1516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=1516"}],"version-history":[{"count":1,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/1516\/revisions"}],"predecessor-version":[{"id":2388,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/1516\/revisions\/2388"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media\/1620"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=1516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=1516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=1516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}