{"id":2574,"date":"2024-08-14T10:24:00","date_gmt":"2024-08-14T02:24:00","guid":{"rendered":"https:\/\/systw.net\/note\/?p=2574"},"modified":"2025-08-14T12:13:51","modified_gmt":"2025-08-14T04:13:51","slug":"sc-improper-access-control","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/2574","title":{"rendered":"SC Improper Access Control"},"content":{"rendered":"\n<p>\u5b58\u53d6\u63a7\u5236\u4e0d\u7576\u662f\u4e00\u7a2e\u667a\u80fd\u5408\u7d04\u4e2d\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u6703\u5c0e\u81f4\u672a\u7d93\u6388\u6b0a\u7684\u4f7f\u7528\u8005\u80fd\u5920\u5b58\u53d6\u6216\u4fee\u6539\u5408\u7d04\u4e2d\u7684\u8cc7\u6599\u6216\u529f\u80fd\u3002\u9019\u7a2e\u6f0f\u6d1e\u901a\u5e38\u662f\u56e0\u70ba\u5408\u7d04\u7684\u7a0b\u5f0f\u78bc\u672a\u6839\u64da\u4f7f\u7528\u8005\u7684\u6b0a\u9650\u7b49\u7d1a\u9069\u7576\u9650\u5236\u5b58\u53d6\u6b0a\u9650\u6240\u5f15\u8d77\u7684\u3002\u5728\u667a\u80fd\u5408\u7d04\u4e2d\uff0c\u5b58\u53d6\u63a7\u5236\u6d89\u53ca\u6cbb\u7406\u548c\u95dc\u9375\u908f\u8f2f\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u767c\u884c\uff08\u9444\u9020\uff09\u4ee3\u5e63<\/li>\n\n\n\n<li>\u5c0d\u63d0\u6848\u9032\u884c\u6295\u7968<\/li>\n\n\n\n<li>\u63d0\u53d6\u8cc7\u91d1<\/li>\n\n\n\n<li>\u66ab\u505c\u6216\u5347\u7d1a\u5408\u7d04<\/li>\n\n\n\n<li>\u66f4\u6539\u5408\u7d04\u64c1\u6709\u6b0a<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u5b58\u53d6\u63a7\u5236\u4e0d\u8db3\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u80fd\u547c\u53eb\u654f\u611f\u529f\u80fd\uff0c\u5f9e\u800c\u5f15\u767c\u56b4\u91cd\u7684\u5b89\u5168\u554f\u984c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b\uff08\u6f0f\u6d1e\u5408\u7d04\uff09<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b58\u5728\u5b58\u53d6\u63a7\u5236\u6f0f\u6d1e\u7684\u667a\u80fd\u5408\u7d04\u7bc4\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ncontract Solidity_AccessControl {\n    mapping(address =&gt; uint256) public balances;\n\n    \/\/ Burn function with no access control\n    function burn(address account, uint256 amount) public {\n        <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">_burn(account, amount);<\/mark>\n    }\n}<\/code><\/pre>\n\n\n\n<p><strong>\u554f\u984c\u5206\u6790<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u9019\u500b\u5408\u7d04\u4e2d\uff0c<code>burn<\/code> \u51fd\u6578\u88ab\u6a19\u8a18\u70ba <code>public<\/code>\uff0c\u9019\u610f\u5473\u8457\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u547c\u53eb\u5b83\uff0c\u7121\u9700\u4efb\u4f55\u6b0a\u9650\u6aa2\u67e5\u3002<\/li>\n\n\n\n<li>\u9019\u5141\u8a31\u672a\u7d93\u6388\u6b0a\u7684\u4f7f\u7528\u8005\u92b7\u6bc0\uff08burn\uff09\u4efb\u610f\u5e33\u6236\u7684\u4ee3\u5e63\u9918\u984d\uff0c\u56b4\u91cd\u5f71\u97ff\u5408\u7d04\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f71\u97ff<\/h3>\n\n\n\n<p>\u5b58\u53d6\u63a7\u5236\u4e0d\u7576\u7684\u6f0f\u6d1e\u53ef\u80fd\u5c0e\u81f4\u4ee5\u4e0b\u5f8c\u679c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u672a\u7d93\u6388\u6b0a\u7684\u5b58\u53d6<\/strong>\uff1a\u653b\u64ca\u8005\u53ef\u4ee5\u5b58\u53d6\u5408\u7d04\u4e2d\u7684\u95dc\u9375\u529f\u80fd\u6216\u8cc7\u6599\uff0c\u7834\u58de\u5408\u7d04\u7684\u5b8c\u6574\u6027\u8207\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li><strong>\u8cc7\u91d1\u640d\u5931<\/strong>\uff1a\u6f0f\u6d1e\u53ef\u80fd\u5c0e\u81f4\u5408\u7d04\u63a7\u5236\u7684\u8cc7\u91d1\u6216\u8cc7\u7522\u88ab\u76dc\uff0c\u7d66\u4f7f\u7528\u8005\u548c\u5229\u76ca\u76f8\u95dc\u8005\u9020\u6210\u91cd\u5927\u8ca1\u52d9\u640d\u5931\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4fee\u5fa9\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n<p>\u70ba\u4e86\u907f\u514d\u5b58\u53d6\u63a7\u5236\u4e0d\u7576\u7684\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u78ba\u4fdd\u521d\u59cb\u5316\u51fd\u6578\u5b89\u5168<\/strong>\uff1a\u521d\u59cb\u5316\u51fd\u6578\uff08\u5982\u8a2d\u7f6e\u5408\u7d04\u521d\u59cb\u72c0\u614b\u7684\u529f\u80fd\uff09\u61c9\u53ea\u80fd\u88ab\u547c\u53eb\u4e00\u6b21\uff0c\u4e14\u50c5\u9650\u65bc\u6388\u6b0a\u7684\u5be6\u9ad4\u3002\n<ul class=\"wp-block-list\">\n<li>\u521d\u59cb\u5316\u51fd\u6578\uff08\u901a\u5e38\u547d\u540d\u70ba initialize \u6216\u985e\u4f3c\u540d\u7a31\uff09\u662f\u7528\u4f86\u8a2d\u7f6e\u667a\u80fd\u5408\u7d04\u521d\u59cb\u72c0\u614b\u7684\u7a0b\u5f0f\u78bc\uff0c\u4f8b\u5982\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8a2d\u7f6e\u5408\u7d04\u7684\u64c1\u6709\u8005\uff08owner\uff09\u3002<\/li>\n\n\n\n<li>\u521d\u59cb\u5316\u67d0\u4e9b\u8b8a\u6578\uff08\u5982\u4ee3\u5e63\u7e3d\u91cf\u3001\u53c3\u6578\u914d\u7f6e\u7b49\uff09\u3002<\/li>\n\n\n\n<li>\u8a2d\u5b9a\u5408\u7d04\u7684\u521d\u59cb\u53c3\u6578\u6216\u72c0\u614b\uff08\u5982\u958b\u555f\u67d0\u4e9b\u529f\u80fd\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u521d\u59cb\u5316\u51fd\u6578\u7684\u76ee\u7684\u662f\u8a2d\u7f6e\u5408\u7d04\u7684\u521d\u59cb\u72c0\u614b\u3002\u5982\u679c\u5141\u8a31\u5b83\u88ab\u591a\u6b21\u547c\u53eb\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a\n<ul class=\"wp-block-list\">\n<li>\u91cd\u8907\u521d\u59cb\u5316\u53ef\u80fd\u8986\u84cb\u539f\u6709\u7684\u8a2d\u7f6e\uff0c\u4f8b\u5982\u66f4\u6539\u5408\u7d04\u64c1\u6709\u8005\u3001\u6539\u8b8a\u4ee3\u5e63\u7e3d\u91cf\u7b49\uff0c\u5c0e\u81f4\u4e0d\u4e00\u81f4\u6216\u4e0d\u5b89\u5168\u7684\u72c0\u614b\u3002<\/li>\n\n\n\n<li>\u653b\u64ca\u8005\u53ef\u80fd\u5229\u7528\u591a\u6b21\u547c\u53eb\u4f86\u64cd\u7e31\u5408\u7d04\u72c0\u614b\uff0c\u7834\u58de\u5408\u7d04\u7684\u908f\u8f2f\u6216\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6388\u6b0a\u7684\u5be6\u9ad4\u901a\u5e38\u662f\u6307\u5408\u7d04\u7684\u64c1\u6709\u8005\uff08owner\uff09\u3001\u7ba1\u7406\u54e1\u6216\u5176\u4ed6\u88ab\u8ce6\u4e88\u7279\u5b9a\u6b0a\u9650\u7684\u89d2\u8272\u3002 \u5982\u679c\u4efb\u4f55\u4eba\u90fd\u80fd\u547c\u53eb\u521d\u59cb\u5316\u51fd\u6578\uff0c\u6703\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a\n<ul class=\"wp-block-list\">\n<li>\u653b\u64ca\u8005\u53ef\u80fd\u6703\u5c07\u81ea\u5df1\u8a2d\u7f6e\u70ba\u5408\u7d04\u64c1\u6709\u8005\uff0c\u63a5\u7ba1\u5408\u7d04\u63a7\u5236\u6b0a\u3002<\/li>\n\n\n\n<li>\u653b\u64ca\u8005\u53ef\u80fd\u6703\u4fee\u6539\u95dc\u9375\u53c3\u6578\uff0c\u7834\u58de\u5408\u7d04\u7684\u529f\u80fd\u6216\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u6210\u719f\u7684\u5b58\u53d6\u63a7\u5236\u6a21\u5f0f<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>Ownable<\/strong>\uff1a\u4f7f\u7528 OpenZeppelin \u7684 <code>Ownable<\/code> \u5408\u7d04\uff0c\u9650\u5236\u67d0\u4e9b\u529f\u80fd\u50c5\u80fd\u7531\u5408\u7d04\u64c1\u6709\u8005\u547c\u53eb\u3002<\/li>\n\n\n\n<li><strong>RBAC\uff08\u57fa\u65bc\u89d2\u8272\u7684\u5b58\u53d6\u63a7\u5236\uff09<\/strong>\uff1a\u6839\u64da\u89d2\u8272\u5206\u914d\u6b0a\u9650\uff0c\u78ba\u4fdd\u53ea\u6709\u7279\u5b9a\u89d2\u8272\uff08\u5982\u7ba1\u7406\u54e1\uff09\u80fd\u57f7\u884c\u654f\u611f\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6dfb\u52a0\u5b58\u53d6\u63a7\u5236\u4fee\u98fe\u7b26<\/strong>\uff1a\u5728\u654f\u611f\u51fd\u6578\u4e0a\u4f7f\u7528\u4fee\u98fe\u7b26\uff08\u5982 <code>onlyOwner<\/code> \u6216\u81ea\u8a02\u89d2\u8272\uff09\u4f86\u9650\u5236\u5b58\u53d6\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4fee\u5fa9\u5f8c\u7684\u7bc4\u4f8b<\/strong><\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4fee\u5fa9\u5f8c\u7684\u5408\u7d04\u7a0b\u5f0f\u78bc\uff0c\u52a0\u5165\u4e86\u9069\u7576\u7684\u5b58\u53d6\u63a7\u5236\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\n<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">import \"@openzeppelin\/contracts\/access\/Ownable.sol\";<\/mark>\n\ncontract Solidity_AccessControl is Ownable {\n    mapping(address =&gt; uint256) public balances;\n\n    function burn(address account, uint256 amount) public <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">onlyOwner<\/mark> {\n        _burn(account, amount);\n    }\n}<\/code><\/pre>\n\n\n\n<p><strong>\u6539\u9032\u5206\u6790<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5408\u7d04\u7e7c\u627f\u4e86 OpenZeppelin \u7684 <code>Ownable<\/code> \u5408\u7d04\uff0c\u63d0\u4f9b\u4e86 <code>onlyOwner<\/code> \u4fee\u98fe\u7b26\u3002<\/li>\n\n\n\n<li><code>burn<\/code> \u51fd\u6578\u73fe\u5728\u53ea\u80fd\u7531\u5408\u7d04\u7684\u64c1\u6709\u8005\uff08<code>owner<\/code>\uff09\u547c\u53eb\uff0c\u5176\u4ed6\u4eba\u7121\u6cd5\u57f7\u884c\u6b64\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u9019\u6a23\u7684\u8a2d\u8a08\u78ba\u4fdd\u4e86\u53ea\u6709\u6388\u6b0a\u7684\u5be6\u9ad4\uff08\u5408\u7d04\u64c1\u6709\u8005\uff09\u80fd\u5920\u92b7\u6bc0\u4ee3\u5e63\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7e3d\u7d50<\/strong><\/h3>\n\n\n\n<p>\u5b58\u53d6\u63a7\u5236\u4e0d\u7576\u662f\u667a\u80fd\u5408\u7d04\u4e2d\u5e38\u898b\u4e14\u5371\u96aa\u7684\u6f0f\u6d1e\uff0c\u53ef\u80fd\u5c0e\u81f4\u672a\u7d93\u6388\u6b0a\u7684\u64cd\u4f5c\u548c\u8cc7\u91d1\u640d\u5931\u3002\u900f\u904e\u4f7f\u7528\u6210\u719f\u7684\u5b58\u53d6\u63a7\u5236\u6a21\u5f0f\uff08\u5982 <code>Ownable<\/code> \u6216 RBAC\uff09\u4ee5\u53ca\u9069\u7576\u7684\u4fee\u98fe\u7b26\uff08\u5982 <code>onlyOwner<\/code>\uff09\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u6b64\u985e\u6f0f\u6d1e\uff0c\u78ba\u4fdd\u5408\u7d04\u7684\u5b89\u5168\u6027\u8207\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b58\u53d6\u63a7\u5236\u4e0d\u7576\u662f\u4e00\u7a2e\u667a\u80fd\u5408\u7d04\u4e2d\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u6703\u5c0e\u81f4\u672a\u7d93\u6388\u6b0a\u7684\u4f7f\u7528 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_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,"enabled":false},"version":2}},"categories":[371],"tags":[],"class_list":["post-2574","post","type-post","status-publish","format-standard","hentry","category-web3-security"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/2574","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=2574"}],"version-history":[{"count":4,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/2574\/revisions"}],"predecessor-version":[{"id":2616,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/2574\/revisions\/2616"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=2574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=2574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=2574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}