{"id":236,"date":"2018-12-13T14:17:17","date_gmt":"2018-12-13T06:17:17","guid":{"rendered":"http:\/\/cms.aaasec.com.tw\/?p=236"},"modified":"2018-12-13T14:18:02","modified_gmt":"2018-12-13T06:18:02","slug":"privilege-escalation","status":"publish","type":"post","link":"https:\/\/cms.aaasec.com.tw\/index.php\/2018\/12\/13\/privilege-escalation\/","title":{"rendered":"\u300a\u8d8a\u6b0a\u6f0f\u6d1e\u8b93\u4f60\u7684\u8cc7\u6599\u88ab\u4e00\u89bd\u7121\u907a\u300b"},"content":{"rendered":"

\"\"
\n<\/p>\n

\u300a\u8d8a\u6b0a\u6f0f\u6d1e\u8b93\u4f60\u7684\u8cc7\u6599\u88ab\u4e00\u89bd\u7121\u907a\u300b<\/p>\n

\u6839\u64da\u5a01\u8a0a\u901a\u8a0aVerizone\u8fd1\u5e74\u7684\u8cc7\u6599\u5916\u6d29\u5831\u544a\uff0c\u4e5d\u6210\u4ee5\u4e0a\u7684\u8cc7\u5b89\u4e8b\u4ef6\u53ca\u8cc7\u6599\u5916\u6d29\u554f\u984c\u4f86\u81ea\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f(Web application)\u3002\u800c\u958b\u653e\u7db2\u8def\u8edf\u9ad4\u5b89\u5168\u8a08\u756b(Open web application security project, OWASP)\u6bcf\u5e74\u91cb\u51fa\u7684\u5341\u5927\u7db2\u8def\u61c9\u7528\u7a0b\u5f0f\u5f31\u9ede(Top 10)\u4e2d\uff0c\u8d8a\u6b0a\u6f0f\u6d1e\u662f\u6700\u5e38\u898b\u7684\u5b89\u5168\u554f\u984c\u3002\u6240\u4ee5\uff0c\u4eca\u5929\u4e09\u7532\u79d1\u6280\u5c0f\u7de8\u8981\u5e36\u4f60\u77ad\u89e3\u4ec0\u9ebc\u662f\u8d8a\u6b0a\u6f0f\u6d1e\uff1f\u8207\u6211\u5011\u751f\u6d3b\u4e2d\u7684\u500b\u4eba\u8cc7\u8a0a\u53c8\u6709\u4ec0\u9ebc\u95dc\u806f\u5462\uff1f[1-3]
\n.
\n\u3010\u8d8a\u6b0a\u306e\u5b9a\u7fa9\u53ca\u7a2e\u985e\u3011
\n\u8d8a\u6b0a(Privilege escalation)\u5373\u662f\u4e00\u7528\u6236\u80fd\u57f7\u884c\u3001\u7372\u5f97\u4e0d\u5c6c\u65bc\u81ea\u5df1\u6b0a\u9650\u5167\u7684\u64cd\u4f5c\u8207\u8cc7\u8a0a\uff0c\u9019\u985e\u578b\u7684\u6f0f\u6d1e\u901a\u5e38\u662f\u56e0\u70ba\u7cfb\u7d71\u6216\u4f3a\u670d\u5668\u5728\u958b\u767c\u6642\uff0c\u672a\u8003\u91cf\u4f7f\u7528\u8005\u8207\u76f8\u5c0d\u61c9\u6b0a\u9650\u529f\u80fd\u662f\u5426\u76f8\u7b26\uff0c\u800c\u7522\u751f\u7684\u8a2d\u8a08\u4e0d\u826f\u554f\u984c\uff0c\u5c0e\u81f4\u4f7f\u7528\u8005\u80fd\u64cd\u4f5c\u5176\u4ed6\u4eba\u7684\u529f\u80fd\u3002\u4ee5\u4e00\u68df\u623f\u5b50\u4f86\u6bd4\u55bb\u7cfb\u7d71\uff0c\u623f\u9593\u5247\u50cf\u4e0d\u540c\u7a2e\u985e\u7684\u64cd\u4f5c\u53ca\u8cc7\u6599\u5eab\uff0c\u4e3b\u4eba\u4ee3\u8868\u6700\u9ad8\u6b0a\u9650\u64c1\u6709\u8005\uff0c\u6240\u4ee5\u53ef\u4ee5\u4efb\u610f\u9032\u51fa\u4e3b\u81e5\u5ba4\u3001\u5ba2\u623f\u3001\u53ca\u516c\u5171\u7a7a\u9593\u3002\u5ba2\u4eba\u5247\u662f\u7372\u5f97\u884c\u4f7f\u7279\u5b9a\u6b0a\u9650\u7684\u4eba\uff0c\u53ea\u80fd\u9032\u51fa\u5ba2\u623f\u53ca\u516c\u5171\u5340\u57df\u3002\u800c\u964c\u751f\u4eba\u662f\u4e0d\u5177\u6709\u4efb\u4f55\u6b0a\u9650\u7684\uff0c\u4e0d\u80fd\u51fa\u73fe\u5728\u623f\u5b50\u7684\u4efb\u4f55\u4e00\u500b\u89d2\u843d\u3002\u7576\u5ba2\u4eba\u51fa\u73fe\u5728\u4e3b\u81e5\u5ba4\uff0c\u6216\u662f\u767c\u73fe\u964c\u751f\u4eba\u5728\u4efb\u610f\u623f\u9593\u6642\uff0c\u5c31\u53ef\u4ee5\u7a31\u4e4b\u70ba\u8d8a\u6b0a\u3002
\n.<\/p>\n

\u8d8a\u6b0a\u6709\u5169\u7a2e\u5e38\u898b\u5f62\u5f0f\uff0c\u5782\u76f4\u8d8a\u6b0a\u53ca\u6c34\u5e73\u8d8a\u6b0a\u3002[4-9, 12]<\/p>\n

\u25cf \u5782\u76f4\u8d8a\u6b0a(Vertical privilege escalation)\u662f\u6307\u4e00\u4f7f\u7528\u8005\u80fd\u900f\u904e\u4e00\u500b\u5e33\u865f\u5b58\u53d6\u4e0d\u540c\u6b0a\u9650\u7d1a\u5225\u7684\u529f\u80fd\u8207\u8cc7\u6599\uff0c\u53c8\u53ef\u5206\u70ba\u5411\u4e0a\u8d8a\u6b0a\u53ca\u5411\u4e0b\u8d8a\u6b0a\u3002\u597d\u6bd4\u8aaa\u5728\u4e00\u9593\u4f01\u696d\uff0c\u4e00\u822c\u54e1\u5de5\u80fd\u89c0\u770b\u884c\u4f7f\u7e3d\u7d93\u7406\u7684\u7cfb\u7d71\u64cd\u4f5c\u53ca\u5167\u5bb9\uff0c\u7a31\u70ba\u5411\u4e0a\u8d8a\u6b0a\uff1b\u53cd\u4e4b\uff0c\u5982\u679c\u7e3d\u7d93\u7406\u53ef\u4ee5\u4e0d\u7d93\u6b63\u7576\u8abf\u95b1\u9014\u5f91\uff0c\u800c\u76f4\u63a5\u53d6\u5f97\u4e00\u822c\u54e1\u5de5\u6240\u8ca0\u8cac\u696d\u52d9\u7684\u8cc7\u8a0a\uff0c\u5373\u662f\u5411\u4e0b\u8d8a\u6b0a\u3002\u8a18\u61b6\u5c0f\u6280\u5de7\uff1aID\u4e0d\u8b8a\uff0c\u6b0a\u9650\u6539\u8b8a\u3002
\n\u25cf \u6c34\u5e73\u8d8a\u6b0a(Horizontal privilege escalation)\u662f\u6307\u4e00\u4f7f\u7528\u8005\u53ef\u4ee5\u900f\u904e\u4e0d\u540c\u7684\u8eab\u5206\u5b58\u53d6\u76f8\u540c\u6b0a\u9650\u7b49\u7d1a\u7684\u64cd\u4f5c\u8207\u8cc7\u8a0a\uff0c\u540c\u6a23\u4ee5\u4e00\u4f01\u696d\u70ba\u4f8b\uff0c\u5728A\u90e8\u9580\u7684\u666e\u901a\u54e1\u5de5\u53ef\u4ee5\u5b58\u53d6B\u90e8\u9580\u4e00\u822c\u8077\u54e1\u64c1\u6709\u7684\u8a0a\u606f\u6216\u7cfb\u7d71\u52d5\u4f5c\uff0c\u5247\u7a31\u70ba\u6c34\u5e73\u8d8a\u6b0a\u3002\u8a18\u61b6\u5c0f\u6280\u5de7\uff1aID\u6539\u8b8a\uff0c\u6b0a\u9650\u4e0d\u8b8a\u3002<\/p>\n

\u7576\u4ee5\u4e0a\u8d8a\u6b0a\u6f0f\u6d1e\u767c\u751f\u6642\uff0c\u60e1\u610f\u653b\u64ca\u8005\u53ef\u4ee5\u4efb\u610f\u57f7\u884c\u81ea\u5df1\u60f3\u8981\u7684\u6b0a\u9650\u529f\u80fd\u800c\u4e0d\u88ab\u767c\u73fe\uff0c\u751a\u81f3\u5ac1\u798d\u65bc\u88ab\u76dc\u7528\u6b0a\u9650\u4e4b\u4eba\uff0c\u589e\u52a0\u4e8b\u5f8c\u6a5f\u95dc\u55ae\u4f4d\u8abf\u67e5\u6848\u767c\u539f\u7531\u7684\u56f0\u96e3\u5ea6\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u7576\u8d8a\u6b0a\u52d5\u4f5c\u4e0d\u5c6c\u65bc\u4ee5\u4e0a\u5169\u985e\u6642\uff0c\u7a31\u4f5c\u4ea4\u53c9\u8d8a\u6b0a\u3002\u4fc2\u6307\u4e00\u4f7f\u7528\u8005\u900f\u904e\u53e6\u4e00\u8eab\u5206\u57f7\u884c\u4e0d\u540c\u7b49\u7d1a\u6b0a\u9650\u7684\u7cfb\u7d71\u52d5\u4f5c\uff0c\u8209\u4f8b\u4f86\u8aaaA\u90e8\u9580\u7684\u54e1\u5de5\u4f7f\u7528B\u90e8\u9580\u4e00\u822c\u54e1\u5de5\u8eab\u5206\uff0c\u9032\u800c\u5be6\u884cB\u90e8\u9580\u4e3b\u7ba1\u7684\u529f\u80fd\u3002\u8a18\u61b6\u5c0f\u6280\u5de7\uff1aID\u53ca\u6b0a\u9650\u90fd\u6539\u8b8a\u3002<\/p>\n

.
\n\u3010\u8d8a\u6b0a\u6f0f\u6d1e\u306e\u5f71\u97ff\u3011
\n\u7576\u8d8a\u6b0a\u6f0f\u6d1e\u5b58\u5728\u516c\u53f8\u7db2\u7ad9\u6642\uff0c\u99ed\u5ba2\u53ca\u6709\u5fc3\u4eba\u58eb\u4fbf\u53ef\u8f15\u6613\u5730\u7aca\u53d6\u516c\u53f8\u5167\u90e8\u8cc7\u6599\uff0c\u50cf\u662f\u5ba2\u6236\u6a5f\u654f\u8cc7\u8a0a\uff0c\u800c\u5c0e\u81f4\u500b\u8cc7\u5916\u6d29\u554f\u984c\u3002\u6b64\u5916\uff0c\u4fdd\u8b77\u500b\u8cc7\u513c\u7136\u6210\u70ba\u5168\u7403\u8da8\u52e2\uff0c\u70ba\u4e86\u7dad\u8b77\u5927\u773e\u96b1\u79c1\u4e26\u7763\u4fc3\u5404\u5bb6\u4f01\u696d\u57f7\u884c\u8cc7\u5b89\u653f\u7b56\uff0c\u4eca\u5e74\u4e94\u670824\u65e5\u6709\u53f2\u4ee5\u4f86\u6700\u56b4\u53b2\u7684\u8cc7\u6599\u4fdd\u8b77\u898f\u5247\uff0d\u6b50\u76df\u901a\u7528\u8cc7\u6599\u4fdd\u8b77\u6cd5\u898f(General data protection regulation, GDPR)\u5df2\u6b63\u5f0f\u4e0a\u7dda\uff0c\u53ea\u8981\u60a8\u516c\u53f8\u64c1\u6709\u6b50\u76df\u7684\u9867\u5ba2\u3001\u54e1\u5de5\u3001\u6216\u4f9b\u61c9\u5546\u7686\u9069\u7528GDPR\uff0c\u7576\u4f01\u696d\u672a\u5b8c\u5584\u4fdd\u8b77\u9019\u4e9b\u6b50\u76df\u516c\u6c11\u500b\u8cc7\uff0c\u5982\u8eab\u5206\u3001\u751f\u7269\u7279\u5fb5\u3001\u7dda\u4e0a\u5b9a\u4f4d\u8cc7\u6599\uff0c\u5247\u6703\u53d7\u5230GDPR\u8cac\u7f70\u3002<\/p>\n

\u5982\u679c\u4f60\u5728\u5e73\u6642\u6703\u63a5\u5230\u4f86\u81ea\u6c7d\u8eca\u8cb8\u6b3e\u6216\u662f\u5176\u4ed6\u63a8\u92b7\u5ee3\u544a\u4f86\u96fb\u6642\uff0c\u4e0d\u59a8\u601d\u8003\u81ea\u5df1\u7684\u8a0a\u606f\u53ef\u80fd\u5f9e\u54ea\u88e1\u88ab\u6d29\u6f0f\u4e86\u3002\u5982\u679c\u4f60\u662f\u4f01\u696d\u7aef\uff0c\u60f3\u6aa2\u67e5\u81ea\u5bb6\u7db2\u9801\u662f\u5426\u5b58\u5728\u8d8a\u6b0a\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u8acb\u8cc7\u5b89\u516c\u53f8\u5354\u52a9\u7db2\u7ad9\u6ef2\u900f\u6e2c\u8a66\uff0c\u6aa2\u9a57\u662f\u5426\u6709\u5b89\u5168\u7591\u616e\u4e26\u63d0\u51fa\u89e3\u6c7a\u65b9\u6848\u3002\u9810\u9632\u52dd\u65bc\u6cbb\u7642\uff0c\u5f9e\u73fe\u5728\u8d77\u7528\u5fc3\u5b88\u8b77\u4f60\u3001\u6211\u7684\u500b\u8cc7\uff01<\/p>\n

Refs
\n[1] Verizon 2018 Data breach investigations report (DBIR) https:\/\/goo.gl\/qf3WKi
\n[2] Verizon 2017 Data breach investigations report (DBIR) https:\/\/goo.gl\/vRxPhx
\n[3] OWASP \u2013 Top 10 vulnerabilities in web applications 2018 https:\/\/goo.gl\/wVrmRW
\n[4] \u804a\u804a\u8d8a\u6b0a\u90a3\u4e9b\u4e8b\u5152 https:\/\/goo.gl\/W7Ehap
\n[5] \u6dfa\u8ac7\u8d8a\u6b0a\u6f0f\u6d1e https:\/\/goo.gl\/KbcauW
\n[6] \u6dfa\u8ac7\u5b89\u5168\u6f0f\u6d1e\u4e4b\u8d8a\u6b0a https:\/\/goo.gl\/1PWhiJ
\n[7] \u8d8a\u6b0a\u6f0f\u6d1e\u6d29\u9732\u4f60\u7684\u96b1\u79c1 \u2013 \u5b89\u5168\u5c0f\u8ab2\u5802\u7b2c\u4e09\u5341\u4e03\u671f https:\/\/goo.gl\/c8eHz8
\n[8] \u8d8a\u6b0a\u6f0f\u6d1e\u8a73\u8ff0 https:\/\/goo.gl\/upgkqv
\n[9] Web\u5b89\u5168\u6e2c\u8a66\u4e2d\u5e38\u898b\u908f\u8f2f\u6f0f\u6d1e\u89e3\u6790(\u5be6\u6230\u7bc7) https:\/\/goo.gl\/8jxpdP
\n[10] \u96fb\u5b50\u66f8: Beginning your General Data Protection Regulation (GDPR) journey
\n[11] \u53f2\u4e0a\u6700\u7814\u8cc7\u6599\u4fdd\u8b77\u4ee4GDPR\u4f86\u4e86\uff01 https:\/\/goo.gl\/gM6AU1
\n[12] What is Privilege Escalation? https:\/\/goo.gl\/XeQHC7<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[11,12,13,10],"_links":{"self":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts\/236"}],"collection":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/comments?post=236"}],"version-history":[{"count":10,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts\/236\/revisions"}],"predecessor-version":[{"id":248,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts\/236\/revisions\/248"}],"wp:attachment":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/media?parent=236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/categories?post=236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/tags?post=236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}