{"id":491,"date":"2024-09-24T20:40:39","date_gmt":"2024-09-24T12:40:39","guid":{"rendered":"https:\/\/hk007.net\/?p=491"},"modified":"2024-09-24T20:40:44","modified_gmt":"2024-09-24T12:40:44","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%b9%9d-%e6%85%a2%e9%9c%a7%e7%a7%91%e6%99%ae","status":"publish","type":"post","link":"https:\/\/hk007.net\/?p=491","title":{"rendered":"\u5340\u584a\u93c8\u5b89\u5168\u5165\u9580\u7b46\u8a18(\u4e5d) | \u6162\u9727\u79d1\u666e"},"content":{"rendered":"\n<p>\u6587\u7ae0\u4f86\u6e90\uff1a\u6162\u9727\u79d1\u6280<br>\u7e41\u9ad4\u7ffb\u8b6f\uff1ahk007.net \u9023\u8f099\/10<\/p>\n\n\n\n<p>\u8d8a\u6b0a\u8a2a\u554f\u653b\u64ca Exceed Authority Access Attack<br>\u548c\u50b3\u7d71\u5b89\u5168\u7684\u5b9a\u7fa9\u4e00\u6a23\uff0c\u8d8a\u6b0a\u6307\u7684\u662f\u8a2a\u554f\u6216\u57f7\u884c\u8d85\u51fa\u7576\u524d\u8cec\u6236\u8a31\u53ef\u6b0a\u7684\u64cd\u4f5c\uff0c\u5982\u672c\u4f86\u6709\u4e9b\u64cd\u4f5c\u53ea\u80fd\u662f\u5408\u7d04\u7ba1\u7406\u54e1\u57f7\u884c\u7684\uff0c\u4f46\u662f\u7531\u65bc\u9650\u5236\u505a\u5f97\u4e0d\u56b4\u8b39\uff0c\u5c0e\u81f4\u95dc\u9375\u64cd\u4f5c\u4e5f\u80fd\u88ab\u5408\u7d04\u7ba1\u7406\u54e1\u4ee5\u5916\u7684\u4eba\u57f7\u884c\uff0c\u5c0e\u81f4\u4e0d\u53ef\u9810\u6e2c\u7684\u98a8\u96aa\uff0c\u9019\u7a2e\u653b\u64ca\u5728\u4ee5\u592a\u574a\u548c EOS \u4e0a\u90fd\u66fe\u51fa\u73fe\u904e\u591a\u6b21\u3002<\/p>\n\n\n\n<p>\u4ee5 EOS \u4e0a\u8457\u540d\u7684 BetDice \u904a\u6232\u70ba\u4f8b\uff0c\u7531\u65bc\u5728\u904a\u6232\u5408\u7d04\u5167\u7684\u8def\u7531(EOS \u5167\u53ef\u81ea\u5b9a\u7fa9\u7684\u4e8b\u4ef6\u8f49\u767c\u5668)\u4e2d\u6c92\u6709\u5c0d\u4f86\u6e90\u8cec\u865f\u9032\u884c\u56b4\u683c\u7684\u6821\u9a57\uff0c\u5c0e\u81f4\u666e\u901a\u4f7f\u7528\u8005\u80fd\u900f\u904e push action \u7684\u65b9\u5f0f\u8a2a\u554f\u5230\u5408\u7d04\u4e2d\u7684\u95dc\u9375\u64cd\u4f5c transfer \u51fd\u5f0f\uff0c\u76f4\u63a5\u7e5e\u904e\u8f49\u8cec\u6d41\u7a0b\u9032\u884c\u4e0b\u6ce8\uff0c\u5f9e\u800c\u767c\u751f\u4e86\u8d8a\u6b0a\u653b\u64ca\uff0c\u4e8b\u5f8c\u96d6\u7136 BetDice \u5b98\u65b9\u7dca\u6025\u4fee\u5fa9\u4e86\u7a0b\u5f0f\u78bc\uff0c\u4e26\u56b4\u683c\u9650\u5236\u4e86\u4f86\u6e90\u8cec\u865f\uff0c\u4f46\u9019\u500b\u6f0f\u6d1e\u5df2\u7d93\u8b93\u653b\u64ca\u8005\u5e7e\u4e4e\u7121\u6210\u672c\u8585\u8d70 BetDice \u734e\u6c60\u5167\u5c07\u8fd1 5 \u842c EOS\u3002\u53c8\u5982\u5728\u4ee5\u592a\u574a\u4f7f\u7528 solidity \u7248\u672c\u70ba 0.4.x \u9032\u884c\u5408\u7d04\u958b\u767c\u7684\u6642\u5019\uff0c\u5f88\u591a\u5408\u7d04\u958b\u767c\u8005\u5728\u5c0d\u95dc\u9375\u51fd\u5f0f\u7de8\u5beb\u7684\u6642\u5019\u4e0d\u50c5\u6c92\u6709\u52a0\u4e0a\u8a31\u53ef\u6b0a\u6821\u9a57\uff0c\u4e5f\u6c92\u6709\u6307\u5b9a\u51fd\u5f0f\u53ef\u898b\u6027\uff0c\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u51fd\u5f0f\u7684\u9810\u8a2d\u53ef\u898b\u6027\u70ba public\uff0c\u60e1\u610f\u4f7f\u7528\u8005\u53ef\u4ee5\u900f\u904e\u9019\u4e9b\u6c92\u6709\u9032\u884c\u9650\u5236\u7684\u95dc\u9375\u51fd\u5f0f\u5c0d\u5408\u7d04\u9032\u884c\u653b\u64ca\u3002<\/p>\n\n\n\n<p>\u6162\u9727\u5b89\u5168\u5718\u968a\u5efa\u8b70\u667a\u6167\u5408\u7d04\u958b\u767c\u8005\u5011\u5728\u9032\u884c\u5408\u7d04\u958b\u767c\u7684\u6642\u5019\u8981\u6ce8\u610f\u5c0d\u95dc\u9375\u51fd\u5f0f\u9032\u884c\u8a31\u53ef\u6b0a\u6821\u9a57\uff0c\u9632\u6b62\u95dc\u9375\u51fd\u5f0f\u88ab\u975e\u6cd5\u547c\u53eb\u9020\u6210\u5408\u7d04\u88ab\u653b\u64ca\u3002<\/p>\n\n\n\n<p>\u4ea4\u6613\u9806\u5e8f\u4f9d\u8cf4\u653b\u64ca Transaction-Ordering Attack<br>\u5728\u5340\u584a\u93c8\u7684\u4e16\u754c\u7576\u4e2d\uff0c\u4e00\u7b46\u4ea4\u6613\u5167\u53ef\u80fd\u542b\u6709\u591a\u500b\u4e0d\u540c\u7684\u4ea4\u6613\uff0c\u800c\u9019\u4e9b\u4ea4\u6613\u57f7\u884c\u7684\u9806\u5e8f\u6703\u5f71\u97ff\u6700\u7d42\u7684\u4ea4\u6613\u7684\u57f7\u884c\u7d50\u679c\uff0c\u7531\u65bc\u5728\u6316\u7926\u6a5f\u5236\u7684\u5340\u584a\u93c8\u4e2d\uff0c\u4ea4\u6613\u672a\u88ab\u6253\u5305\u524d\u90fd\u8655\u65bc\u4e00\u7a2e\u5f85\u6253\u5305\u7684 pending \u72c0\u614b\uff0c\u5982\u679c\u80fd\u4e8b\u5148\u77e5\u9053\u4ea4\u6613\u88e1\u9762\u57f7\u884c\u4e86\u54ea\u4e9b\u5176\u4ed6\u4ea4\u6613\uff0c\u60e1\u610f\u4f7f\u7528\u8005\u5c31\u80fd\u900f\u904e\u589e\u52a0\u7926\u5de5\u8cbb\u7684\u5f62\u5f0f\uff0c\u767c\u8d77\u4e00\u7b46\u4ea4\u6613\uff0c\u8b93\u4ea4\u6613\u4e2d\u7684\u5176\u4e2d\u4e00\u7b46\u4ea4\u6613\u5148\u884c\u6253\u5305\uff0c\u64fe\u4e82\u4ea4\u6613\u9806\u5e8f\uff0c\u9020\u6210\u975e\u9810\u671f\u5167\u7684\u57f7\u884c\u7d50\u679c\uff0c\u9054\u6210\u653b\u64ca\u3002\u4ee5\u4ee5\u592a\u574a\u70ba\u4f8b\uff0c\u5047\u5982\u5b58\u5728\u4e00\u500b Token \u4ea4\u6613\u5e73\u81fa\uff0c\u9019\u500b\u5e73\u81fa\u4e0a\u7684\u624b\u7e8c\u8cbb\u662f\u900f\u904e\u8abf\u63a7\u5408\u7d04\u4e2d\u7684\u5f15\u6578\u5be6\u73fe\u7684\uff0c\u5047\u5982\u67d0\u5929\u5e73\u81fa\u5c08\u6848\u65b9\u900f\u904e\u4e00\u7b46\u4ea4\u6613\u8acb\u6c42\u8abf\u9ad8\u4ea4\u6613\u624b\u7e8c\u8cbb\u7528\uff0c\u9019\u7b46\u4ea4\u6613\u88ab\u6253\u5305\u5f8c\u7684\u6240\u6709\u8cb7\u8ce3 Token \u7684\u4ea4\u6613\u624b\u7e8c\u8cbb\u90fd\u8981\u63d0\u5347\uff0c\u6b63\u78ba\u7684\u908f\u8f2f\u61c9\u8a72\u662f\u5f9e\u9019\u7b46\u4ea4\u6613\u958b\u59cb\u5f80\u5f8c\u6240\u6709\u7684 Token \u8cb7\u8ce3\u4ea4\u6613\u7684\u624b\u7e8c\u8cbb\u90fd\u8981\u63d0\u5347\uff0c\u4f46\u662f\u7531\u65bc\u4ea4\u6613\u5f9e\u767c\u51fa\u5230\u88ab\u6253\u5305\u5b58\u5728\u4e00\u5b9a\u7684\u5ef6\u6642\uff0c\u8acb\u6c42\u4fee\u6539\u4ea4\u6613\u624b\u7e8c\u8cbb\u7684\u4ea4\u6613\u4e0d\u662f\u7acb\u5373\u751f\u6548\u7684\uff0c\u90a3\u9ebc\u9019\u6642\u60e1\u610f\u4f7f\u7528\u8005\u5c31\u53ef\u4ee5\u4ee5\u66f4\u9ad8\u7684\u624b\u7e8c\u8cbb\u8b93\u81ea\u5df1\u7684\u4ea4\u6613\u5148\u884c\u6253\u5305\uff0c\u907f\u514d\u652f\u4ed8\u66f4\u9ad8\u7684\u624b\u7e8c\u8cbb\u3002<\/p>\n\n\n\n<p>\u6162\u9727\u5b89\u5168\u5718\u968a\u5efa\u8b70\u667a\u6167\u5408\u7d04\u958b\u767c\u8005\u5728\u9032\u884c\u5408\u7d04\u958b\u767c\u7684\u6642\u5019\u8981\u6ce8\u610f\u4ea4\u6613\u9806\u5e8f\u5c0d\u4ea4\u6613\u7d50\u679c\u7522\u751f\u7684\u5f71\u97ff\uff0c\u907f\u514d\u5408\u7d04\u56e0\u4ea4\u6613\u9806\u5e8f\u7684\u4e0d\u540c\u906d\u53d7\u653b\u64ca\u3002<\/p>\n\n\n\n<p>\u5973\u5deb\u653b\u64ca Sybil Attack<br>\u50b3\u805e\u4e2d\u5973\u5deb\u662f\u4e00\u500b\u6703\u9b54\u6cd5\u7684\u4eba\uff0c\u4e00\u500b\u4eba\u53ef\u4ee5\u5e7b\u5316\u51fa\u591a\u500b\u81ea\u5df1\uff0c\u4ee4\u53d7\u5bb3\u4eba\u4ee5\u70ba\u6709\u591a\u4eba\uff0c\u4f46\u5176\u5be6\u53ea\u6709\u4e00\u500b\u4eba\u3002\u5728\u5340\u584a\u93c8\u4e16\u754c\u4e2d\uff0c\u5973\u5deb\u653b\u64ca(Sybil Attack)\u662f\u91dd\u5c0d\u4f3a\u670d\u5668\u7bc0\u9ede\u7684\u653b\u64ca\u3002\u653b\u64ca\u767c\u751f\u6642\u5019\uff0c\u900f\u904e\u67d0\u7a2e\u65b9\u5f0f\uff0c\u67d0\u500b\u60e1\u610f\u7bc0\u9ede\u53ef\u4ee5\u507d\u88dd\u6210\u591a\u500b\u7bc0\u9ede\uff0c\u5c0d\u88ab\u653b\u64ca\u7bc0\u9ede\u767c\u51fa\u9023\u7d50\u8acb\u6c42\uff0c\u9054\u5230\u7bc0\u9ede\u7684\u6700\u5927\u9023\u7d50\u8acb\u6c42\uff0c\u5c0e\u81f4\u7bc0\u9ede\u6c92\u8fa6\u6cd5\u63a5\u53d7\u5176\u4ed6\u7bc0\u9ede\u7684\u8acb\u6c42\uff0c\u9020\u6210\u7bc0\u9ede\u62d2\u7d55\u670d\u52d9\u653b\u64ca\u3002\u4ee5 EOS \u70ba\u4f8b\uff0c\u6162\u9727\u5b89\u5168\u5718\u968a\u66fe\u62ab\u9732\u904e\u7684 EOS P2P \u7bc0\u9ede\u62d2\u7d55\u670d\u52d9\u653b\u64ca\u5be6\u969b\u4e0a\u5c31\u662f\u5973\u5deb\u653b\u64ca\u7684\u4e00\u7a2e\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u975e\u5e38\u5c0f\u7684\u653b\u64ca\u6210\u672c\u4f86\u9054\u5230\u7671\u7613\u4e3b\u7bc0\u9ede\u7684\u76ee\u7684\u3002\u8a73\u60c5\u53ef\u53c3\u8003:<a href=\"https:\/\/github.com\/slowmist\/papers\/blob\/master\/EOSIO-P2P-Sybil-Attack\/zh.md\">https:\/\/github.com\/slowmist\/papers\/blob\/master\/EOSIO-P2P-Sybil-Attack\/zh.md<\/a><\/p>\n\n\n\n<p>\u6162\u9727\u5b89\u5168\u5718\u968a\u5efa\u8b70\u5728\u642d\u5efa\u5168\u7bc0\u9ede\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f3a\u670d\u5668\u9700\u8981\u5728\u7cfb\u7d71\u5c64\u9762\u4e0a\u5c0d\u7db2\u8def\u9023\u7dda\u60c5\u6cc1\u9032\u884c\u76e3\u63a7\uff0c\u4e00\u65e6\u767c\u73fe\u67d0\u500bIP\u9023\u7dda\u7570\u5e38\u5c31\u547c\u53eb\u6307\u4ee4\u78bc\u914d\u7f6e iptables \u898f\u5247\u906e\u853d\u7570\u5e38\u7684 IP\uff0c\u540c\u6642\u93c8\u958b\u767c\u8005\u5728\u9032\u884c\u516c\u93c8\u958b\u767c\u6642\u61c9\u8a72\u5728 P2P \u6a21\u7d44\u4e2d\u5c0d\u55ae IP \u7bc0\u9ede\u9023\u7dda\u6578\u91cf\u65b0\u589e\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u5047\u932f\u8aa4\u901a\u77e5\u653b\u64ca Fake Onerror Notification Attack<br>EOS \u4e0a\u5b58\u5728\u5404\u7a2e\u5404\u6a23\u7684\u901a\u77e5\uff0c\u53ea\u8981\u5728 action \u4e2d\u65b0\u589e require_recipient \u547d\u4ee4\uff0c\u5c31\u80fd\u5c0d\u6307\u5b9a\u7684\u5e33\u865f\u901a\u77e5\u8a72 action\uff0c\u5728 EOS \u4e0a\u67d0\u4e9b\u667a\u6167\u5408\u7d04\u4e2d\uff0c\u70ba\u4e86\u4f7f\u7528\u8005\u9ad4\u9a57\u6216\u5176\u4ed6\u539f\u56e0\uff0c\u4e00\u822c\u6703\u5c0d onerror \u901a\u77e5\u9032\u884c\u67d0\u4e9b\u8655\u7406\u3002\u5982\u679c\u9019\u500b\u6642\u5019\u6c92\u6709\u5c0d onerror \u901a\u77e5\u7684\u4f86\u6e90\u5408\u7d04\u662f\u5426\u662f eosio \u9032\u884c\u6aa2\u9a57\u7684\u8a71\uff0c\u5c31\u80fd\u4f7f\u7528\u548c\u5047\u8f49\u8cec\u901a\u77e5\u540c\u6a23\u7684\u624b\u6cd5\u5c0d\u5408\u7d04\u9032\u884c\u653b\u64ca\uff0c\u89f8\u767c\u5408\u7d04\u4e2d\u5c0d onerror \u7684\u8655\u7406\uff0c\u5f9e\u800c\u5c0e\u81f4\u88ab\u653b\u64ca\u5408\u7d04\u8cc7\u7522\u906d\u53d7\u640d\u5931\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/hk007.com\" data-type=\"link\" data-id=\"https:\/\/hk007.com\">\u5b89\u5168\u5718\u968a<\/a>\u5efa\u8b70\u667a\u6167\u5408\u7d04\u958b\u767c\u8005\u5728\u9032\u884c\u667a\u6167\u5408\u7d04\u958b\u767c\u7684\u6642\u5019\u9700\u8981\u5c0d onerror \u7684\u4f86\u6e90\u5408\u7d04\u9032\u884c\u6821\u9a57\uff0c\u78ba\u4fdd\u5408\u7d04\u5e33\u865f\u70ba eosio \u5e33\u865f\uff0c\u9632\u6b62\u5047\u932f\u8aa4\u901a\u77e5\u653b\u64ca\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u4f86\u6e90\uff1a\u6162\u9727\u79d1\u6280\u7e41\u9ad4\u7ffb\u8b6f\uff1ahk007.net \u9023\u8f099\/10 \u8d8a\u6b0a\u8a2a\u554f\u653b\u64ca Exceed Authority Access Attack\u548c\u50b3\u7d71\u5b89\u5168\u7684\u5b9a\u7fa9\u4e00\u6a23\uff0c\u8d8a\u6b0a\u6307\u7684\u662f\u8a2a\u554f\u6216\u57f7\u884c\u8d85\u51fa\u7576\u524d\u8cec\u6236\u8a31\u53ef\u6b0a\u7684\u64cd&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-491","post","type-post","status-publish","format-standard","hentry","category-29"],"_links":{"self":[{"href":"https:\/\/hk007.net\/index.php?rest_route=\/wp\/v2\/posts\/491"}],"collection":[{"href":"https:\/\/hk007.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hk007.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hk007.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hk007.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=491"}],"version-history":[{"count":1,"href":"https:\/\/hk007.net\/index.php?rest_route=\/wp\/v2\/posts\/491\/revisions"}],"predecessor-version":[{"id":503,"href":"https:\/\/hk007.net\/index.php?rest_route=\/wp\/v2\/posts\/491\/revisions\/503"}],"wp:attachment":[{"href":"https:\/\/hk007.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hk007.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hk007.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}