{"id":80,"date":"2015-12-14T22:49:52","date_gmt":"2015-12-14T22:49:52","guid":{"rendered":"http:\/\/www.inforsec.org\/wp\/?p=80"},"modified":"2015-12-15T01:38:09","modified_gmt":"2015-12-15T01:38:09","slug":"android-root-and-roviders","status":"publish","type":"post","link":"http:\/\/202.112.238.40\/wp\/?p=80","title":{"rendered":"\u53cc\u5203\u5251\uff1a\u5b89\u5353\u4e00\u952eRoot\u548c\u6280\u672f\u63d0\u4f9b\u8005"},"content":{"rendered":"

\u73b0\u4eca\u56fd\u5185\u7684\u5b89\u5353\u5e94\u7528\u5e02\u573a\u4e2d\u63d0\u4f9b\u4e00\u952eRoot\u670d\u52a1\u7684app\u7433\u7405\u6ee1\u76ee\uff0c\u767e\u5ea6\u3001\u817e\u8baf\u548c\u5947\u864e360\u7b49\u5927\u516c\u53f8\u5747\u6709\u76f8\u5e94\u7684\u4ea7\u54c1\u63a8\u51fa\u3002Root\u4ea7\u54c1\u7684\u5f00\u53d1\u8005\u7528\u9ad8\u8d85\u7684\u6f0f\u6d1e\u6316\u6398\u548c\u5229\u7528\u6280\u5de7\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4fbf\u6377\u7684Root\u670d\u52a1\uff0c\u4f46\u8bd5\u60f3Root\u4ea7\u54c1\u4e2d\u7684exploit\u5982\u679c\u88ab\u6076\u610f\u8f6f\u4ef6\u8f7b\u6613\u63d0\u53d6\u5e76\u5229\u7528\u7684\u8bdd\uff0c\u52bf\u5fc5\u5c06\u672c\u5c31\u7cdf\u7cd5\u7684\u56fd\u5185\u5b89\u5353\u751f\u6001\u73af\u5883\u5bf9\u9020\u6210\u5f88\u5927\u7684\u5371\u5bb3\u3002\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u6cb3\u6ee8\u5206\u6821(UC Riverside)\u7684Hang Zhang\u3001Dongdong She\u3001Zhiyun Qian\uff08\u94b1\u5fd7\u4e91\uff09\u5728\u9876\u7ea7\u5b89\u5168\u5b66\u672f\u4f1a\u8baeCCS\u201915\u4e2d\u53d1\u8868\u4e86\u9898\u4e3a\uff02Android Root and its Providers: A Double-Edged Sword\uff02\u7684\u6587\u7ae0\uff0c\u8ba8\u8bba\u4e86Root\u670d\u52a1\u63d0\u4f9b\u5546\u7684exploit\u7684\u4fdd\u62a4\u60c5\u51b5\u4ee5\u53ca\u4ed6\u4eec\u7684exploit\u548c\u516c\u5f00\u7684exploit\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

\u6587\u7ae0\u9996\u5148\u5728CVE\u5e93\u548c\u76f8\u5e94\u7684\u8bba\u575b\u641c\u96c6\u5230\u516c\u5f00\u768473\u4e2a\u53ef\u4ee5\u7528\u4e8eRoot\u7684\u6f0f\u6d1e\uff0c\u5e76\u6839\u636e\u653b\u51fb\u5c42\u6b21\u5206\u6210\u56db\u7c7b\uff1aLinux\u5185\u6838\u5c42\u3001\u786c\u4ef6\u9a71\u52a8\u5c42\u3001\u8fd0\u884c\u5e93\u5c42\u548c\u5e94\u7528\u5c42\uff0c\u5176\u4e2d\u786c\u4ef6\u9a71\u52a8\u5c42\u548c\u5e94\u7528\u5c42\u7684\u6f0f\u6d1e\u6700\u591a\uff0c\u8fd973\u4e2a\u6f0f\u6d1e\u4e2d68\u4e2a\u662f\u53ef\u4ee5\u83b7\u5f97\u6e90\u4ee3\u7801\u6216\u8005binary\u7684exploit\uff0c\u7528\u79fb\u52a8\u7aef\u7684\u56db\u6b3e\u6740\u6bd2\u8f6f\u4ef6(AVG\u3001Lookout\u3001Norton\u3001Trend Micro)\u8fdb\u884c\u68c0\u6d4b\uff0c\u53ea\u6709\u4e00\u4e2aexploit\u4e0a\u8ff0\u56db\u6b3e\u6740\u6bd2\u8f6f\u4ef6\u90fd\u65e0\u6cd5\u68c0\u6d4b\u51fa\u6765\u3002\u9488\u5bf9\u4e0a\u8ff0\u516c\u5f00\u7684exploit\u7684\u901a\u7528\u6027\uff0c\u4f5c\u8005\u9009\u53d6TowelRoot\u505a\u4e86\u7b80\u5355\u7684\u5b9e\u9a8c\uff0c\u4e09\u4e2a\u6709\u6f0f\u6d1e\u7684\u5185\u6838\u7248\u672c\u7684\u4e0d\u540c\u8bbe\u5907\u4e2d\u6709\u4e24\u4e2aroot\u5931\u8d25\u4e86\u3002\u8003\u8651\u5230\u5b89\u5353\u7cfb\u7edf\u7684\u788e\u7247\u5316\u4e25\u91cd\u548cexploit\u9700\u8981\u7684\u4e00\u4e9b\u73af\u5883\uff0c\u4e0a\u8ff0\u516c\u5f00\u7684exploit\u7684\u76f4\u63a5\u53ef\u7528\u6027\u5b58\u7591\uff0c\u5982\u679c\u7528\u4e8e\u63d0\u4f9bRoot\u670d\u52a1\uff0c\u9700\u8981\u505a\u5927\u91cf\u7684\u9002\u914d\u5de5\u4f5c\u3002<\/span><\/p>\n

\u518d\u6765\u770bRoot\u670d\u52a1\u7684\u63d0\u4f9b\u5546\uff0c\u4f5c\u8005\u63d0\u4f9b\u4e86\u5176\u4e2d\uff17\u4e2a\u7b80\u5355\u5206\u6790\u4e86\u5b83\u4eec\u7528\u7684exploit\u7684\u6570\u91cf\u548c\u9488\u5bf9exploit\u6df7\u6dc6\u52a0\u58f3\u53cd\u8c03\u8bd5\u52a0\u5bc6\u7b49\u7b49\u4fdd\u62a4\u63aa\u65bd\u7684\u90e8\u7f72\u60c5\u51b5\uff0c\u5bf9\u4e8e\u5176\u4e2d\uff13\u79cd\u5178\u578b\u7684\u4ea7\u5546\u505a\u4e86\u8be6\u7ec6\u7684\u5206\u6790\uff0e\u5176\u4e2d\u67d0\u5927\u578bRoot\u670d\u52a1\u4ea7\u5546\uff0c\u901a\u5e38\u662f\u5148\u641c\u96c6\u8bbe\u5907\u4fe1\u606f\uff0c\u52a0\u5bc6\u4f20\u8f93\u5230server\u7aef\uff0cserver\u7aef\u8fd4\u56de\u4e00\u4e2a\u5173\u4e8e\u83b7\u53d6exploit\u7684\u52a0\u5bc6\u7684\u63cf\u8ff0\u6587\u4ef6\u3002Exploit\u88ab\u5c01\u88c5\u6210shared library\uff0c\u6709\u6df7\u6dc6\u52a0\u58f3\u660e\u6587\u5b57\u7b26\u4e32\u52a0\u5bc6\u7b7e\u540d\u6821\u9a8c\u7b49\u4fdd\u62a4\u624b\u6bb5\u3002\u8fd9\u91cc\u5b58\u5728\u7684\u95ee\u9898\u662f\u4ece\u5b98\u7f51\u4e0b\u7684App\u7684\u4fdd\u62a4\u5f3a\u5ea6\u8fdc\u4e0d\u5982\u5e94\u7528\u5e02\u573a\u7684\u7248\u672c\uff0c\u6df7\u6dc6\u65b9\u6cd5\u7684\u6cc4\u6f0f\uff0cPC\u7aef\u8f6f\u4ef6\u548c\u79fb\u52a8App\u4fdd\u62a4\u5f3a\u5ea6\u6709\u5dee\u8ddd\uff0c\u5173\u952e\u51fd\u6570\u540d\u6ca1\u6709\u6df7\u6dc6\uff0c\u7b7e\u540d\u6821\u9a8c\u673a\u5236\u4e0d\u5f3a\u3002\u4f46\u5ba2\u89c2\u5730\u8bf4\uff0c\u8fd9\u4e9b\u5e76\u4e0d\u662f\u975e\u5e38\u4e25\u91cd\u7684\u95ee\u9898\u3002\u56e0\u4e3a\u8fd9\u4e9b\u4fdd\u62a4\u63aa\u65bd\u662f\u589e\u5f3a\u7834\u89e3\u8005\u7684\u6210\u672c\uff0c\u672c\u8eab\u4e5f\u5e76\u4e0d\u80fd\u6839\u672c\u4e0a\u9632\u6b62\u5e94\u7528\u88ab\u6210\u529f\u9006\u5411\u5206\u6790\u3002<\/span><\/p>\n

\u3000\u3000\u6587\u7ae0\u7684\u7b2c\u516d\u7ae0\u5bf9Root\u670d\u52a1\u5546\u4f7f\u7528\u7684exploit\u8fdb\u884c\u4e86\u5206\u6790\uff0c\u53d1\u73b0\u901a\u8fc7\u6a21\u62df\u4e0d\u540c\u7684\u8bbe\u5907\u4ece\u67d0\u5927\u578bRoot\u670d\u52a1\u5546\u83b7\u53d6\u5230\u7684167\u4e2aexploit\u4e2d\u670989\u4e2aCVE-2014-3153\u653b\u51fb\u7684\u53d8\u79cd\uff0c20\u4e2a\u9488\u5bf9kernel\uff0c37\u4e2a\u9488\u5bf9driver\u3002\u9488\u5bf9driver\u7684\u653b\u51fb\u6a21\u5757\u4e2d\u670915\u4e2a\u662f\u672a\u516c\u5f00\u7684\uff0c\u9488\u5bf910\u6b3e\u4e0d\u540c\u7684\u8bbe\u5907\u9a71\u52a8\u3002\u9488\u5bf9\u8fd9\u4e9bexploit\uff0cSElinux\u548cSamsung Knox\u90fd\u5df2\u7ecf\u88ab\u7a81\u7834\u4e86\uff0c\u6740\u8f6f\u4e5f\u57fa\u672c\u68c0\u6d4b\u4e0d\u51fa\u6765\uff0e<\/span>
\n\u539f\u6587\u94fe\u63a5\uff1a<\/span>http:\/\/www.cs.ucr.edu\/~zhiyunq\/pub\/ccs15_root_providers.pdf<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u73b0\u4eca\u56fd\u5185\u7684\u5b89\u5353\u5e94\u7528\u5e02\u573a\u4e2d\u63d0\u4f9b\u4e00\u952eRoot\u670d\u52a1\u7684app\u7433\u7405\u6ee1\u76ee\uff0c\u767e\u5ea6\u3001\u817e\u8baf\u548c\u5947\u864e360\u7b49\u5927\u516c\u53f8\u5747\u6709\u76f8\u5e94… Continue reading → <\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-80","post","type-post","status-publish","format-standard","hentry","category-research"],"_links":{"self":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/80","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\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=80"}],"version-history":[{"count":2,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/80\/revisions"}],"predecessor-version":[{"id":83,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/80\/revisions\/83"}],"wp:attachment":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=80"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}