{"id":497,"date":"2024-09-24T20:37:47","date_gmt":"2024-09-24T12:37:47","guid":{"rendered":"https:\/\/hk007.net\/?p=497"},"modified":"2024-09-24T20:37:54","modified_gmt":"2024-09-24T12:37:54","slug":"%e5%8d%80%e5%a1%8a%e9%8f%88%e5%ae%89%e5%85%a8%e5%85%a5%e9%96%80%e7%ad%86%e8%a8%98%e4%b8%83-%e6%85%a2%e9%9c%a7%e7%a7%91%e6%99%ae","status":"publish","type":"post","link":"https:\/\/hk007.net\/?p=497","title":{"rendered":"\u5340\u584a\u93c8\u5b89\u5168\u5165\u9580\u7b46\u8a18(\u4e03) | \u6162\u9727\u79d1\u666e"},"content":{"rendered":"\n

\u6587\u7ae0\u4f86\u6e90\uff1a\u6162\u9727\u79d1\u6280
\u7e41\u9ad4\u7ffb\u8b6f\uff1ahk007.net \u9023\u8f097\/10<\/p>\n\n\n\n

hard_fail \u72c0\u614b\u653b\u64ca hard_fail Attack
hard_fail \u662f\u4ec0\u9ebc\u5462\uff1f\u7c21\u55ae\u4f86\u8aaa\u5c31\u662f\u51fa\u73fe\u932f\u8aa4\u4f46\u662f\u6c92\u6709\u4f7f\u7528\u932f\u8aa4\u8655\u7406\u5668(error handler)\u8655\u7406\u932f\u8aa4\uff0c\u6bd4\u65b9\u8aaa\u4f7f\u7528 onerror \u6355\u7372\u8655\u7406\uff0c\u5982\u679c\u8aaa\u6c92\u6709 onerror \u6355\u7372\uff0c\u5c31\u6703 hard_fail\u3002EOS \u4e0a\u7684\u4ea4\u6613\u72c0\u614b\u8a18\u9304\u5206\u70ba executed, soft_fail, hard_fail, delayed \u548c expired \u9019 5 \u7a2e\u72c0\u614b\uff0c\u901a\u5e38\u5728\u93c8\u4e0a\u5927\u90e8\u5206\u4eba\u89c0\u5bdf\u5230\u7684\u4ea4\u6613\uff0c\u90fd\u662f executed \u7684\uff0c\u6216\u8005 delayed \u7684\uff0c\u800c\u6c92\u6709\u5931\u6557\u7684\u4ea4\u6613\uff0c\u9019\u5c31\u5c0e\u81f4\u5927\u90e8\u5206\u958b\u767c\u8005\u8aa4\u4ee5\u70ba EOS \u93c8\u4e0a\u6c92\u6709\u5931\u6557\u7684\u4ea4\u6613\u8a18\u9304\uff0c\u5f9e\u800c\u5ffd\u7565\u4e86\u5c0d\u4ea4\u6613\u72c0\u614b\u7684\u6aa2\u67e5\u3002\u653b\u64ca\u8005\u5229\u7528\u9019\u500b\u7d30\u7bc0\uff0c\u91dd\u5c0d\u93c8\u4e0a\u6e38\u6232\u6216\u4ea4\u6613\u6240\u9032\u884c\u653b\u64ca\uff0c\u69cb\u9020\u57f7\u884c\u72c0\u614b\u70ba hard_fail \u7684\u4ea4\u6613\uff0c\u6b3a\u9a19\u93c8\u4e0a\u6e38\u6232\u6216\u4ea4\u6613\u6240\u9032\u884c\u5047\u5145\u503c\u653b\u64ca\uff0c\u5f9e\u800c\u7372\u5229\u3002<\/p>\n\n\n\n

\u8a72\u653b\u64ca\u624b\u6cd5\u6700\u65e9\u7531\u6162\u9727\u5b89\u5168\u5718\u968a\u65bc 2019 \u5e74 3 \u6708 10 \u65e5\u4e00\u6b3e EOS DApp \u4e0a\u6355\u7372\uff0c\u5e33\u865f\u540d\u70ba fortherest12 \u7684\u653b\u64ca\u8005\u900f\u904e hard_fail \u72c0\u614b\u653b\u64ca\u624b\u6cd5\u653b\u64ca\u4e86 EOS \u904a\u6232 Vegas town\u3002\u96a8\u5f8c\uff0c\u76f8\u540c\u653b\u64ca\u624b\u6cd5\u983b\u983b\u767c\u751f\uff0c\u6162\u9727\u5b89\u5168\u5718\u968a\u5728\u6b64\u63d0\u9192\u4ea4\u6613\u6240\u548c EOS DApp \u904a\u6232\u958b\u767c\u8005\u5728\u8655\u7406\u8f49\u8cec\u4ea4\u6613\u7684\u6642\u5019\u9700\u8981\u56b4\u683c\u6821\u9a57\u4ea4\u6613\u72c0\u614b\uff0c\u78ba\u4fdd\u4ea4\u6613\u57f7\u884c\u72c0\u614b\u70ba executed\u3002<\/p>\n\n\n\n

\u91cd\u653e\u653b\u64ca Replay Attack
\u91cd\u653e\u653b\u64ca(Replay Attack)\uff0c\u662f\u91dd\u5c0d\u5340\u584a\u93c8\u4e0a\u7684\u4ea4\u6613\u8cc7\u8a0a\u9032\u884c\u91cd\u653e\uff0c\u4e00\u822c\u4f86\u8aaa\uff0c\u5340\u584a\u93c8\u70ba\u4e86\u4fdd\u8b49\u4e0d\u53ef\u7be1\u6539\u548c\u9632\u6b62\u96d9\u82b1\u653b\u64ca\u7684\u767c\u751f\uff0c\u6703\u5c0d\u4ea4\u6613\u9032\u884c\u5404\u7a2e\u9a57\u8b49\uff0c\u5305\u62ec\u4ea4\u6613\u7684\u6642\u9593\u6233\uff0cnonce\uff0c\u4ea4\u6613 id \u7b49\uff0c\u4f46\u662f\u96a8\u8457\u5404\u7a2e\u53bb\u4e2d\u5fc3\u5316\u4ea4\u6613\u6240\u7684\u8208\u8d77\uff0c\u5728\u667a\u6167\u5408\u7d04\u4e2d\u9a57\u8b49\u4f7f\u7528\u8005\u4ea4\u6613\u7684\u5834\u666f\u8d8a\u4f86\u8d8a\u591a\u3002\u9019\u7a2e\u5834\u666f\u4e00\u822c\u662f\u9700\u8981\u4f7f\u7528\u8005\u5c0d\u67d0\u4e00\u689d\u8a0a\u606f\u9032\u884c\u7c3d\u540d\u5f8c\u4e0a\u50b3\u7d66\u667a\u6167\u5408\u7d04\uff0c\u7136\u5f8c\u5728\u5408\u7d04\u5167\u90e8\u9032\u884c\u9a57\u7c64\u3002\u4f46\u7531\u65bc\u4f7f\u7528\u8005\u7684\u7c3d\u540d\u4fe1\u606f\u662f\u6703\u4e0a\u934a\u7684\uff0c\u4e5f\u5c31\u662f\u8aaa\u6bcf\u500b\u4eba\u90fd\u80fd\u62ff\u5230\u4f7f\u7528\u8005\u7684\u7c3d\u540d\u4fe1\u606f\uff0c\u7576\u5728\u5408\u7d04\u4e2d\u6821\u9a57\u4f7f\u7528\u8005\u7c3d\u540d\u7684\u6642\u5019\uff0c\u5982\u679c\u88ab\u7c3d\u540d\u7684\u8a0a\u606f\u4e0d\u5b58\u5728\u96a8\u8457\u4ea4\u6613\u6b21\u6578\u8b8a\u5316\u7684\u8b8a\u6578\uff0c\u5982\u6642\u9593\u6233\uff0cnonce \u7b49\uff0c\u653b\u64ca\u8005\u5c31\u53ef\u4ee5\u62ff\u8457\u4f7f\u7528\u8005\u7684\u7c3d\u540d\uff0c\u507d\u9020\u4f7f\u7528\u8005\u767c\u8d77\u4ea4\u6613\uff0c\u5f9e\u800c\u7372\u5229\u3002<\/p>\n\n\n\n

\u9019\u662f\u4e00\u7a2e\u6700\u65e9\u51fa\u73fe\u65bc DApp \u751f\u614b\u521d\u671f\u7684\u653b\u64ca\u5f62\u614b\uff0c\u7531\u65bc\u958b\u767c\u8005\u8a2d\u8a08\u7684\u958b\u734e\u96a8\u6a5f\u6f14\u7b97\u6cd5\u5b58\u5728\u56b4\u91cd\u7f3a\u9677\uff0c\u4f7f\u5f97\u653b\u64ca\u8005\u53ef\u5229\u7528\u5408\u7d04\u6f0f\u6d1e\u91cd\u8907\u958b\u734e\uff0c\u5c6c\u65bc\u958b\u767c\u8005\u8f03\u70ba\u5bb9\u6613\u5ffd\u7565\u7684\u932f\u8aa4\u3002\u56e0\u6b64\uff0c\u958b\u767c\u8005\u5011\u5728\u93c8\u4e0a\u9032\u884c\u9a57\u7c64\u64cd\u4f5c\u7684\u6642\u5019\uff0c\u9700\u8981\u5c0d\u88ab\u7c3d\u540d\u8a0a\u606f\u52a0\u4e0a\u5404\u7a2e\u53ef\u8b8a\u56e0\u5b50\uff0c\u9632\u6b62\u653b\u64ca\u8005\u5c0d\u93c8\u4e0a\u7c3d\u540d\u9032\u884c\u91cd\u653e\uff0c\u9020\u6210\u8cc7\u7522\u640d\u5931\u3002<\/p>\n\n\n\n

\u91cd\u5165\u653b\u64ca Reentrancy Attack
\u91cd\u5165\u653b\u64ca(Reentrancy Attack)\u9996\u6b21\u51fa\u73fe\u65bc\u4ee5\u592a\u574a\uff0c\u5c0d\u61c9\u7684\u771f\u5be6\u653b\u64ca\u70ba The DAO \u653b\u64ca\uff0c\u6b64\u6b21\u653b\u64ca\u9084\u5c0e\u81f4\u4e86\u539f\u4f86\u7684\u4ee5\u592a\u574a\u5206\u53c9\u6210\u4ee5\u592a\u7d93\u5178(ETC)\u548c\u73fe\u5728\u7684\u4ee5\u592a\u574a(ETH)\u3002hk007.net<\/a>\u63d0\u9192\u60a8\uff0c\u7531\u65bc\u5c08\u6848\u65b9\u63a1\u7528\u7684\u8f49\u8cec\u6a21\u578b\u70ba\u5148\u7d66\u4f7f\u7528\u8005\u50b3\u9001\u8f49\u8cec\u7136\u5f8c\u624d\u5c0d\u4f7f\u7528\u8005\u7684\u9918\u984d\u72c0\u614b\u9032\u884c\u4fee\u6539\uff0c\u5c0e\u81f4\u60e1\u610f\u4f7f\u7528\u8005\u53ef\u4ee5\u69cb\u9020\u60e1\u610f\u5408\u7d04\uff0c\u5728\u63a5\u53d7\u8f49\u8cec\u7684\u540c\u6642\u518d\u6b21\u547c\u53eb\u5c08\u6848\u65b9\u7684\u8f49\u8cec\u51fd\u5f0f\u3002\u5229\u7528\u9019\u6a23\u7684\u65b9\u6cd5\uff0c\u5c0e\u81f4\u4f7f\u7528\u8005\u7684\u9918\u984d\u72c0\u614b\u4e00\u76f4\u6c92\u6709\u88ab\u6539\u8b8a\uff0c\u537b\u80fd\u4e00\u76f4\u63d0\u53d6\u5c08\u6848\u65b9\u8cc7\u91d1\uff0c\u6700\u7d42\u5c0e\u81f4\u5c08\u6848\u65b9\u8cc7\u91d1\u88ab\u8017\u5149\u3002<\/p>\n\n\n\n

\u6162\u9727\u5b89\u5168\u5718\u968a\u5728\u6b64\u63d0\u9192\u667a\u6167\u5408\u7d04\u958b\u767c\u8005\u5728\u9032\u884c\u667a\u6167\u5408\u7d04\u958b\u767c\u6642\uff0c\u5728\u8655\u7406\u8f49\u8cec\u7b49\u95dc\u9375\u64cd\u4f5c\u7684\u6642\u5019\uff0c\u5982\u679c\u667a\u6167\u5408\u7d04\u4e2d\u5132\u5b58\u4e86\u4f7f\u7528\u8005\u7684\u8cc7\u91d1\u72c0\u614b\uff0c\u8981\u5148\u5c0d\u8cc7\u91d1\u72c0\u614b\u9032\u884c\u4fee\u6539\uff0c\u7136\u5f8c\u518d\u9032\u884c\u5be6\u969b\u7684\u8cc7\u91d1\u8f49\u8cec\uff0c\u907f\u514d\u91cd\u5165\u653b\u64ca\u3002<\/p>\n\n\n\n

\u5047\u5145\u503c\u653b\u64ca False Top-up
\u5047\u5145\u503c\u653b\u64ca(False Top-up)\uff0c\u5206\u70ba\u91dd\u5c0d\u667a\u6167\u5408\u7d04\u7684\u5047\u5145\u503c\u653b\u64ca\u548c\u5c0d\u4ea4\u6613\u6240\u7684\u5047\u5145\u503c\u653b\u64ca\u3002\u5728\u5047\u5145\u503c\u653b\u64ca\u4e2d\uff0c\u7121\u8ad6\u662f\u667a\u6167\u5408\u7d04\u9084\u662f\u4ea4\u6613\u6240\u672c\u8eab\uff0c\u90fd\u6c92\u6709\u6536\u5230\u771f\u5be6\u7684 Token\uff0c\u4f46\u662f\u4f7f\u7528\u8005\u53c8\u78ba\u5be6\u5f97\u5230\u4e86\u771f\u5be6\u7684\u5145\u503c\u8a18\u9304\uff0c\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u8005\u5c31\u53ef\u4ee5\u5728\u6c92\u6709\u771f\u6b63\u5145\u503c\u7684\u60c5\u6cc1\u4e0b\u5f9e\u667a\u6167\u5408\u7d04\u6216\u4ea4\u6613\u6240\u4e2d\u7528\u5047\u8cc7\u7522\u6216\u4e0d\u5b58\u5728\u7684\u8cc7\u7522\u7aca\u53d6\u771f\u5be6\u8cc7\u7522\u3002<\/p>\n\n\n\n

    \n
  1. \u667a\u6167\u5408\u7d04\u5047\u5145\u503c\u653b\u64ca
    \u91dd\u5c0d\u667a\u6167\u5408\u7d04\u7684\u5047\u5145\u503c\u4e3b\u8981\u662f\u5047\u5e63\u7684\u5047\u5145\u503c\uff0c\u9019\u7a2e\u653b\u64ca\u624b\u6cd5\u591a\u767c\u65bc EOS \u548c\u6ce2\u5834\u4e0a\uff0c\u7531\u65bc EOS \u4e0a\u4ee3\u5e63\u90fd\u662f\u63a1\u7528\u5408\u7d04\u7684\u65b9\u5f0f\u9032\u884c\u767c\u884c\u7684\uff0cEOS \u93c8\u7684\u7cfb\u7d71\u4ee3\u5e63\u540c\u6a23\u4e5f\u662f\u4f7f\u7528\u9019\u7a2e\u65b9\u5f0f\u767c\u884c\uff0c\u540c\u6642\uff0c\u4efb\u4f55\u4eba\u4e5f\u53ef\u4ee5\u767c\u884c\u540d\u70ba EOS \u7684\u4ee3\u5e63\u3002\u53ea\u662f\u767c\u884c\u7684\u5408\u7d04\u5e33\u865f\u4e0d\u4e00\u6a23\uff0c\u7cfb\u7d71\u4ee3\u5e63\u7684\u767c\u884c\u5408\u7d04\u70ba “eosio.token”\uff0c\u800c\u5176\u4ed6\u4eba\u767c\u884c\u7684\u4ee3\u5e63\u4f86\u6e90\u65bc\u5176\u4ed6\u5408\u7d04\u5e33\u865f\u3002\u7576\u5408\u7d04\u5167\u6c92\u6709\u6821\u9a57 EOS \u4ee3\u5e63\u7684\u4f86\u6e90\u5408\u7d04\u7684\u6642\u5019\uff0c\u653b\u64ca\u8005\u5c31\u80fd\u900f\u904e\u5145\u503c\u653b\u64ca\u8005\u81ea\u5df1\u91cb\u51fa\u7684 EOS \u4ee3\u5e63\uff0c\u5c0d\u5408\u7d04\u9032\u884c\u5047\u5145\u503c\u653b\u64ca\u3002\u800c\u6ce2\u5834\u4e0a\u7684\u5047\u5145\u503c\u653b\u64ca\u4e3b\u8981\u662f TRC10 \u4ee3\u5e63\u7684\u5047\u5145\u503c\u653b\u64ca\uff0c\u7531\u65bc\u6bcf\u4e00\u500b TRC10 \u90fd\u6709\u4e00\u500b\u7279\u5b9a\u7684 tokenid \u9032\u884c\u8b58\u5225\uff0c\u7576\u5408\u7d04\u5167\u6c92\u6709\u5c0d tokenid \u9032\u884c\u6821\u9a57\u7684\u6642\u5019\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4ee5 1024 \u500b TRX \u767c\u884c\u4e00\u500b TRC10 \u4ee3\u5e63\u5c0d\u5408\u7d04\u9032\u884c\u5047\u5145\u503c\u3002<\/li>\n\n\n\n
  2. \u4ea4\u6613\u6240\u5047\u5145\u503c\u653b\u64ca
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