{"id":3854,"date":"2020-01-19T18:51:10","date_gmt":"2020-01-19T10:06:10","guid":{"rendered":"https:\/\/www.inforsec.org\/wp\/?p=3854"},"modified":"2020-01-19T19:06:26","modified_gmt":"2020-01-19T10:21:26","slug":"%e9%a6%96%e4%b8%aansa%e5%85%ac%e5%bc%80%e6%8a%ab%e9%9c%b2%e7%9a%84%e8%bd%af%e4%bb%b6%e7%b3%bb%e7%bb%9f%e6%bc%8f%e6%b4%9e-cve-2020-0601%e6%95%b0%e5%ad%97%e8%af%81%e4%b9%a6%e9%aa%8c","status":"publish","type":"post","link":"http:\/\/202.112.238.40\/wp\/?p=3854","title":{"rendered":"\u9996\u4e2aNSA\u516c\u5f00\u62ab\u9732\u7684\u8f6f\u4ef6\u7cfb\u7edf\u6f0f\u6d1e\u2014\u2014CVE-2020-0601\u6570\u5b57\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u5206\u6790\u4e0e\u5b9e\u9a8c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u6587\/\u6797\u749f\u9535&nbsp;\u5218\u5e7f\u797a \u5b5f\u4ee4\u4f73 \u4e07\u4f1a\u5e86 \u738b\u743c\u9704 \u738b\u4f1f \u738b\u6587\u6770 \u5f90\u535a\u6587<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u4e2d\u56fd\u79d1\u5b66\u9662\u6570\u636e\u4e0e\u901a\u4fe1\u4fdd\u62a4\u7814\u7a76\u6559\u80b2\u4e2d\u5fc3<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u4e2d\u56fd\u79d1\u5b66\u9662\u4fe1\u606f\u5de5\u7a0b\u7814\u7a76\u6240  \u4fe1\u606f\u5b89\u5168\u56fd\u5bb6\u91cd\u70b9\u5b9e\u9a8c\u5ba4<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1.<\/strong><strong>CVE-2020-0601\u6f0f\u6d1e<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2020\u5e741\u670815\u65e5\uff0c\u5fae\u8f6f\u516c\u5e03\u4e861\u6708\u4efd\u7684\u8865\u4e01\u66f4\u65b0\u5217\u8868\uff0c\u5176\u4e2d\u5305\u62ec\u6709CVE-2020-0601\uff0c\u662fWindows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI (Crypt32.dll)\u7684\u692d\u5706\u66f2\u7ebf\u5bc6\u7801(Elliptic Curve Cryptography, ECC)\u6570\u5b57\u8bc1\u4e66\u9a8c\u8bc1\u76f8\u5173\u7684\u6f0f\u6d1e\uff1b\u8be5\u6f0f\u6d1e\u4f1a\u5bfc\u81f4Windows\u64cd\u4f5c\u7cfb\u7edf\u5c06\u653b\u51fb\u8005\u4f2a\u9020\u7684\u6570\u5b57\u8bc1\u4e66\u8bef\u5224\u4e3a\u7531\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u6240\u7b7e\u53d1\u3002\u8be5\u6f0f\u6d1e\u7531\u7f8e\u56fd\u56fd\u5bb6\u5b89\u5168\u5c40\uff08National Security Agency, NSA\uff09\u53d1\u73b0\u5e76\u6c47\u62a5\u7ed9\u5fae\u8f6f\u516c\u53f8\uff1b\u8fd9\u4e00\u6f0f\u6d1e\u88ab\u8ba4\u4e3a\u662f\u7b2c\u4e00\u4e2aNSA\u516c\u5f00\u62ab\u9732\u7684\u8f6f\u4ef6\u7cfb\u7edf\u6f0f\u6d1e\u3002<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2.<\/strong><strong>\u5f71\u54cd<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e\u8be5\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u57fa\u4e8e\u67d0\u4e00\u5f20Windows\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u8bc1\u4e66\u3001\u4f2a\u9020\u4efb\u610f\u865a\u5047\u4fe1\u606f\u7684\u6570\u5b57\u8bc1\u4e66\uff0c\u800c\u4e14\u4f1a\u88abWindows\u64cd\u4f5c\u7cfb\u7edf\u8bef\u5224\u4e3a\u201c\u8be5\u8bc1\u4e66\u6ca1\u6709\u95ee\u9898\u201d\u3001\u8bef\u5224\u4e3a\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u6240\u7b7e\u53d1\u3002\u8fdb\u4e00\u6b65\uff0c\u653b\u51fb\u8005\u80fd\u591f\uff08\u7ed3\u5408\u5176\u5b83\u7684\u653b\u51fb\u624b\u6bb5\uff09\u4efb\u610f\u521b\u5efa\u53ef\u88ab\u9a8c\u8bc1\u901a\u8fc7\u7684\u4ee3\u7801\u7b7e\u540d\u8bc1\u4e66\u3001\u5b89\u88c5\u6076\u610f\u53ef\u6267\u884c\u4ee3\u7801\uff0c\u521b\u5efa\u4efb\u610f\u57df\u540d\u7684\u670d\u52a1\u5668TLS\u8bc1\u4e66\u3001\u53d1\u8d77TLS\u4e2d\u95f4\u4eba\u653b\u51fb\uff0c\u521b\u5efa\u53ef\u88ab\u9a8c\u8bc1\u901a\u8fc7\u7684\u7535\u5b50\u90ae\u4ef6\u8bc1\u4e66\u3001\u4ee5\u5176\u5b83\u4eba\u540d\u4e49\u53d1\u9001\u5b89\u5168\u7535\u5b50\u90ae\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u6709\u652f\u6301\u201c\u5b9a\u5236\u53c2\u6570\u7684ECC\u6570\u5b57\u8bc1\u4e66\u201d\u7684Windows\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u8fd9\u4e00\u673a\u5236\u6700\u65e9\u5728Windows 10\u5f15\u5165\uff0c\u6240\u4ee5\u8be5\u6f0f\u6d1e\u53ea\u5f71\u54cdWindows 10\u548cWindows Server 2016\/2019\u3001\u4ee5\u53ca\u5404\u79cd\u4f9d\u8d56\u4e8eWindows\u64cd\u4f5c\u7cfb\u7edf\u6570\u5b57\u8bc1\u4e66\u9a8c\u8bc1\u529f\u80fd\u7684\u5e94\u7528\u7a0b\u5e8f\u30022020\u5e741\u670814\u65e5\u8d77\u505c\u6b62\u7ef4\u62a4\u7684Windows 7\u548cWindows Server 2008\u4e0d\u652f\u6301\u201c\u5b9a\u5236\u53c2\u6570\u7684ECC\u6570\u5b57\u8bc1\u4e66\u201d\uff0c\u4e0d\u53d7\u5f71\u54cd\u3002<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3.<\/strong><strong>\u6f0f\u6d1e\u57fa\u672c\u539f\u7406<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Windows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI\u7684CertGetCertificateChain()\u51fd\u6570\uff0c\u5728\u6784\u5efa\u8bc1\u4e66\u94fe\u8fc7\u7a0b\u4e2d\uff0c\u5bf9ECDSA (Elliptic Curve Digital Signature Algorithm)\u7b97\u6cd5\u7684\u516c\u94a5\u53c2\u6570\u9a8c\u8bc1\u5b58\u5728\u6f0f\u6d1e\u3002\u6784\u5efa\u8bc1\u4e66\u94fe\u3001\u5224\u5b9a\u662f\u5426\u7531\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u6240\u7b7e\u53d1\uff0c\u8fc7\u7a0b\u5982\u4e0b\uff1a\u5148\u9010\u5c42\u9a8c\u8bc1\u8f93\u5165\u8005\u63d0\u4f9b\u7684\u5404\u6570\u5b57\u8bc1\u4e66\u7684CA\u6570\u5b57\u7b7e\u540d\u662f\u5426\u6b63\u786e\u6709\u6548\u3001\u76f4\u81f3\u8f93\u5165\u8005\u63d0\u4f9b\u7684\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\uff0c\u7136\u540e\u6bd4\u8f83\u8f93\u5165\u8005\u63d0\u4f9b\u7684\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u8bc1\u4e66\u5217\u8868\u3002\u5982\u679cCA\u6570\u5b57\u7b7e\u540d\u5168\u90e8\u6b63\u786e\u6709\u6548\u3001\u4e14\u8f93\u5165\u8005\u63d0\u4f9b\u7684\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\u5728Windows\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u5217\u8868\u4e2d\uff0c\u5219\u5224\u5b9a\u8be5\u8bc1\u4e66\u94fe\u201c\u8be5\u8bc1\u4e66\u6ca1\u6709\u95ee\u9898\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0cWindows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI\u5728\u6bd4\u8f83\u8f93\u5165\u8005\u63d0\u4f9b\u7684\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u8bc1\u4e66\u5217\u8868\u8fc7\u7a0b\u4e2d\uff0c\u5b58\u5728\u7f3a\u9677\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u81ea\u5df1\u751f\u6210\u6076\u610f\u7684\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\uff0c\u6ee1\u8db3\uff1a\uff08a\uff09ECC\u516c\u94a5\u5750\u6807\u70b9\u4e0e\u67d0\u4e00\u5f20Windows\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u8bc1\u4e66\u7684ECC\u516c\u94a5\u5750\u6807\u70b9\u5b8c\u5168\u4e00\u81f4\uff0c\uff08b\uff09\u4f46\u662f\u4e8c\u8005ECC\u66f2\u7ebf\u53c2\u6570\u4e0d\u4e00\u81f4\uff0c\u5373\u692d\u5706\u66f2\u7ebf\u57fa\u70b9\u4e0d\u4e00\u81f4\uff0c\uff08c\uff09\u4e14\u653b\u51fb\u8005\u80fd\u591f\u81ea\u52a8\u62e5\u6709\u8be5\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\u7684\u79c1\u94a5\u3002\u7136\u540e\uff0cWindows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI\u4f1a\u5c06\u653b\u51fb\u8005\u4f2a\u9020\u7684\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\u8bef\u5224\u4e3a\u662f\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u8bc1\u4e66\uff08\u53ea\u662f\u6bd4\u8f83ECC\u516c\u94a5\u5750\u6807\u70b9\u3001\u6ca1\u6709\u6bd4\u8f83\u6240\u6709\u7684ECC\u66f2\u7ebf\u53c2\u6570\uff1b\u56e0\u4e3aECC\u516c\u94a5\u5750\u6807\u70b9\u76f8\u540c\uff0c\u6240\u4ee5Subject Key Identifier\u6269\u5c55\u503c\u76f8\u540c\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8eECDSA\u7b97\u6cd5\uff0cECC\u66f2\u7ebf\u53c2\u6570\u5305\u62ec\u7d20\u57dfp\u3001\u65b9\u7a0b\u53c2\u6570a\u548cb\u3001\u57fa\u70b9G\u3001\u9636n\u548ccofactor\u7cfb\u6570h\uff0c\u79c1\u94a5d\u662f\u968f\u673a\u6570\uff0c\u516c\u94a5P = [d]G\u3001\u662f\u692d\u5706\u66f2\u7ebf\u7684\u70b9\u5750\u6807\u3002\u7f8e\u56fdNIST\u5df2\u7ecf\u6807\u51c6\u5316\u5730\u786e\u5b9a\u4e86\u591a\u6761\u692d\u5706\u66f2\u7ebf\uff08\u4e5f\u5c31\u662f\uff0c\u786e\u5b9a\u4e86\u5404\u6761\u66f2\u7ebf\u7684p\u3001a\u3001b\u3001G\u3001n\u548ch\u53c2\u6570\uff09\uff1b\u6240\u4ee5\uff0c\u5728X.509\u6570\u5b57\u8bc1\u4e66\u4e2d\uff0cECC\u66f2\u7ebf\u53c2\u6570\u53ef\u4ee5\u76f4\u63a5\u4ee5OID\u7684\u5f62\u5f0f\u8868\u793a\u3001\u4e0d\u9700\u8981\u4e00\u4e00\u5217\u51fa\u5404\u53c2\u6570\uff0c\u4f8b\u5982\uff0c\u66f2\u7ebfsecp224k1\u7684OID\u5c31\u662f1.3.132.0.32\u3002\u540c\u65f6\uff0cX.509\u6570\u5b57\u8bc1\u4e66\u4e5f\u5141\u8bb8\u4ee5\u5b9a\u5236\u53c2\u6570\u7684\u65b9\u5f0f\u6765\u7ed9\u51faECC\u66f2\u7ebf\u53c2\u6570\uff0c\u4e5f\u5c31\u662f\uff0c\u5728X.509\u6570\u5b57\u8bc1\u4e66\u4e2d\uff0c\u76f4\u63a5\u4e00\u4e00\u5217\u51fa\u66f2\u7ebf\u7684p\u3001a\u3001b\u3001G\u3001n\u548ch\u53c2\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u653b\u51fb\u8005\u4f2a\u9020\u6570\u5b57\u8bc1\u4e66\u7684\u8fc7\u7a0b\u5982\u4e0b\u3002\u5bf9\u4e8e\u67d0\u4e00\u5f20Windows\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u8bc1\u4e66\uff0c\u5df2\u6709\u516c\u94a5P = [d]G\uff1b\u653b\u51fb\u8005\u751f\u6210\u968f\u673a\u6570r\uff0c\u8ba1\u7b97G\u2019 = [R]P\uff0c\u5176\u4e2dR\u662fr\u7684\u9006\u5143\uff0c\u5219\u6709[r]G\u2019 = [r*R]P = P\u3002\u4e5f\u5c31\u662f\uff0c\u5bf9\u4e8e\u57fa\u70b9\u4e3aG\u2019\u7684\u692d\u5706\u66f2\u7ebf\uff0c\u653b\u51fb\u8005\u62e5\u6709\u516c\u94a5P\u5bf9\u5e94\u7684\u79c1\u94a5r\uff0c\u751a\u81f3r\u53ef\u4ee5\u7b49\u4e8e1\u3002\u6ce8\u610f\uff1a\u5bf9\u4e8e\u57fa\u70b9\u4e3aG\u7684\u692d\u5706\u66f2\u7ebf\uff0c\u516c\u94a5P\u5bf9\u5e94\u7684\u79c1\u94a5\u662fd\u3001\u653b\u51fb\u8005\u5e76\u4e0d\u77e5\u9053\u3002\u57fa\u4e8e\u4ee5\u4e0a\u539f\u7406\uff0c\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u4efb\u610f\u4f2a\u9020Windows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI\u9a8c\u8bc1\u901a\u8fc7\u7684\u8bc1\u4e66\u94fe\u3002<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.<\/strong><strong>\u5b9e\u9a8c<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u57fa\u4e8eMicrosoft ECC Product Root Certificate Authority 2018\uff08\u4f7f\u7528NIST P384\u66f2\u7ebf\uff0cOID\u662f1.3.132.0.34\uff09\u751f\u6210\u4e86\u7528\u4e8e\u653b\u51fb\u6d4b\u8bd5\u7684\u6839CA\u81ea\u7b7e\u540d\u8bc1\u4e66\uff0c\u7136\u540e\u7b7e\u53d1\u4e86\u7528\u4e8e\u4ee3\u7801\u7b7e\u540d\u653b\u51fb\u6d4b\u8bd5\u7684\u7ec8\u7aef\u8bc1\u4e66\uff0c\u8fdb\u884c\u4ee3\u7801\u6570\u5b57\u7b7e\u540d\uff0c\u7ed3\u679c\u5982\u4e0b\uff08\u5728\u672a\u5b89\u88c5\u8865\u4e01\u7684Windows\u64cd\u4f5c\u7cfb\u7edf\uff09\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"253\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2020\/01\/15794284411.png\" alt=\"\" class=\"wp-image-3860\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284411.png 576w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284411-300x132.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284411-150x66.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284411-250x110.png 250w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;\u76f8\u5e94\u7684\u8bc1\u4e66\u8def\u5f84\u5982\u4e0b\uff08\u6ce8\u610f\uff0c\u5de6\u56fe\u7684\u9881\u53d1\u8005\u662fxu\uff0c\u53f3\u56fe\u7684\u8bc1\u4e66\u8def\u5f84\u5219\u663e\u793a\u662f\u9881\u53d1\u8005Microsoft ECC Product Root Certificate Authority 2018\uff09\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"560\" height=\"329\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2020\/01\/15794284771.png\" alt=\"\" class=\"wp-image-3861\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284771.png 560w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284771-300x176.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284771-150x88.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794284771-250x147.png 250w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;\u5728\u5df2\u7ecf\u5b89\u88c5\u4e86\u8865\u4e01\u7684Windows\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u5219\u663e\u793a\u5982\u4e0b\u3001\u9a8c\u8bc1\u4e0d\u901a\u8fc7\uff1a&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"559\" height=\"192\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2020\/01\/15794285301.png\" alt=\"\" class=\"wp-image-3862\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794285301.png 559w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794285301-300x103.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794285301-150x52.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/15794285301-250x86.png 250w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;\u7c7b\u4f3c\u7684\uff0c\u6211\u4eec\u4e5f\u751f\u6210\u4e86\u7528\u4e8eHTTPS\u653b\u51fb\u6d4b\u8bd5\u7684\u670d\u52a1\u5668\u8bc1\u4e66\uff0c\u5728Edge\u6d4f\u89c8\u5668\u4e0a\u663e\u793a\u5982\u4e0b\uff08\u6d4f\u89c8\u5668\u6709\u8b66\u544a\u63d0\u793a\u201c\u4e0d\u5b89\u5168\u201d\u3001\u4f46\u662fWindows\u64cd\u4f5c\u7cfb\u7edf\u7684\u8bc1\u4e66\u8def\u5f84\u663e\u793a\u6210\u529f\uff09\uff1a&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"308\" height=\"264\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2020\/01\/04.jpg\" alt=\"\" class=\"wp-image-3858\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/04.jpg 308w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/04-300x257.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/04-150x129.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2020\/01\/04-175x150.jpg 175w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;\u6d4f\u89c8\u5668\u5e94\u8be5\u5728Windows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI\u4e4b\u5916\uff0c\u6709\u8fdb\u4e00\u6b65\u7684\u989d\u5916\u5904\u7406\u3002\u6ce8\u610f\uff1a\u6309\u7167Internet\u516c\u5f00\u7684\u5176\u5b83\u653b\u51fb\u6d4b\u8bd5\uff0c\u6709\u4e9b\u6d4f\u89c8\u5668\u6ca1\u6709\u8b66\u544a\u63d0\u793a\u3002<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5.<\/strong><strong>\u8ba8\u8bba<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CVE-2020-0601\u6570\u5b57\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u6d89\u53caECC\u692d\u5706\u66f2\u7ebf\u5bc6\u7801\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5426\u5219\u96be\u4ee5\u53d1\u73b0\u6f0f\u6d1e\uff1b\u540c\u65f6\uff0cWindows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI\u5728\u6bd4\u8f83\u6839CA\u8bc1\u4e66\u65f6\uff0c\u53ea\u5904\u7406\u4e86\u516c\u94a5\u5750\u6807\u70b9\uff08\u6216\u8005\uff0c\u53ef\u80fd\u662fSubject Key Identifier\u6269\u5c55\u503c\uff09\uff0c\u4e5f\u662f\u5b9e\u73b0\u4e0a\u7684\u5e38\u89c1\u758f\u5ffd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u56fd\u4ea7\u516c\u94a5\u5bc6\u7801\u7b97\u6cd5SM2\uff0c\u6709\u4e0d\u540c\u7684\u60c5\u51b5\u3002\u76ee\u524dSM2\u7b97\u6cd5\u53ea\u652f\u6301\u552f\u4e00\u7684\u4e00\u6761ECC\u66f2\u7ebf\uff0c\u5b9e\u73b0\u4e2d\u51fa\u73b0\u7c7b\u4f3c\u6f0f\u6d1e\u7684\u53ef\u80fd\u6027\u5f88\u5c0f\uff1b\u4f46\u662f\uff0c\u4e5f\u4e0d\u80fd\u5b8c\u5168\u6392\u9664\u53ef\u80fd\u6027\uff1a\u5982\u679c\u7cfb\u7edf\u652f\u6301\u201c\u5b9a\u5236\u53c2\u6570\u7684ECC\u6570\u5b57\u8bc1\u4e66\u201d\uff0c\u5c31\u6709\u53ef\u80fd\u4f1a\u6709\u7c7b\u4f3c\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53c2\u8003\u8d44\u6599<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/research.kudelskisecurity.com\/2020\/01\/15\/cve-2020-0601-the-chainoffools-attack-explained-with-poc\/\">https:\/\/research.kudelskisecurity.com\/2020\/01\/15\/cve-2020-0601-the-chainoffools-attack-explained-with-poc\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/github.com\/ollypwn\/CVE-2020-0601\">https:\/\/github.com\/ollypwn\/CVE-2020-0601<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/securityaffairs.co\/wordpress\/96414\/security\/microsoft-cve-2020-0601-flaw-nsa.html\">https:\/\/securityaffairs.co\/wordpress\/96414\/security\/microsoft-cve-2020-0601-flaw-nsa.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/github.com\/kudelskisecurity\/chainoffools\">https:\/\/github.com\/kudelskisecurity\/chainoffools<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2020\u5e741\u670815\u65e5\uff0c\u5fae\u8f6f\u516c\u5e03\u4e861\u6708\u4efd\u7684\u8865\u4e01\u66f4\u65b0\u5217\u8868\uff0c\u5176\u4e2d\u5305\u62ec\u6709CVE-2020-0601\uff0c\u662fWindows\u64cd\u4f5c\u7cfb\u7edfCryptoAPI (Crypt32.dll)\u7684\u692d\u5706\u66f2\u7ebf\u5bc6\u7801(Elliptic Curve Cryptography, ECC)\u6570\u5b57\u8bc1\u4e66\u9a8c\u8bc1\u76f8\u5173\u7684\u6f0f\u6d1e\uff1b\u8be5\u6f0f\u6d1e\u4f1a\u5bfc\u81f4Windows\u64cd\u4f5c\u7cfb\u7edf\u5c06\u653b\u51fb\u8005\u4f2a\u9020\u7684\u6570\u5b57\u8bc1\u4e66\u8bef\u5224\u4e3a\u7531\u64cd\u4f5c\u7cfb\u7edf\u9884\u7f6e\u4fe1\u4efb\u7684\u6839CA\u6240\u7b7e\u53d1\u3002\u8be5\u6f0f\u6d1e\u7531\u7f8e\u56fd\u56fd\u5bb6\u5b89\u5168\u5c40\uff08National Security Agency, NSA\uff09\u53d1\u73b0\u5e76\u6c47\u62a5\u7ed9\u5fae\u8f6f\u516c\u53f8\uff1b\u8fd9\u4e00\u6f0f\u6d1e\u88ab\u8ba4\u4e3a\u662f\u7b2c\u4e00\u4e2aNSA\u516c\u5f00\u62ab\u9732\u7684\u8f6f\u4ef6\u7cfb\u7edf\u6f0f\u6d1e\u3002 <a class=\"continue-reading-link\" href=\"http:\/\/202.112.238.40\/wp\/?p=3854\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":3855,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-3854","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research"],"_links":{"self":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3854"}],"version-history":[{"count":5,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3854\/revisions"}],"predecessor-version":[{"id":3875,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3854\/revisions\/3875"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/media\/3855"}],"wp:attachment":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3854"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}