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CCS 2018\u4e0a\uff0c\u8bba\u6587\u540d\u4e3a\u201cInvetter: Locating Insecure Input Validations in Android Services\u201d\u3002<\/p>\n\n\n\n<p 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Binder\u5bf9\u8c61\uff08ServiceManager\u7ef4\u62a4\u7740\u7cfb\u7edf\u670d\u52a1\u4e0eBinder\u5bf9\u8c61\u7684\u6620\u5c04\u5173\u7cfb\uff09,\u5982\u56fe1\u6240\u793a\u3002\u63a5\u7740\u5ba2\u6237\u7aef\u901a\u8fc7ServiceManager\u8fd4\u56de\u7684Binder\u5bf9\u8c61\u53bb\u8c03\u7528\u670d\u52a1\u5668\u5f00\u653e\u7684\u63a5\u53e3\uff08\u5373\u5728Proxy\u4e2d\u5b9a\u4e49\u7684\u63a5\u53e3\uff09\uff0c\u4ee5\u83b7\u5f97\u7cfb\u7edf\u670d\u52a1\u63d0\u4f9b\u7684\u529f\u80fd\u63a5\u53e3\u3002\u4f46\u662f\uff0c\u5728\u8fd9\u6837\u4e00\u4e2a\u63a5\u53e3\u8bbf\u95ee\u7684\u6d41\u7a0b\u4e2d\uff0c\u56e0\u4e3aServiceManager\u65e0\u6cd5\u5236\u6b62\u5e94\u7528\u5c42\u8f6f\u4ef6\u4f2a\u9020\u5176\u8f93\u5165\u7684\u6570\u636e\uff0c\u6240\u4ee5\u539f\u5219\u4e0a\u5b83\u4e0d\u5e94\u8be5\u4fe1\u4efb\u4efb\u4f55\u5e94\u7528\u5c42\u63d0\u4f9b\u7684\u6570\u636e\u3002\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"447\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2022\/10\/1-13-1024x447.png\" alt=\"\" class=\"wp-image-5586\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/1-13-1024x447.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/1-13-300x131.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/1-13-768x335.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/1-13-150x65.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/1-13-250x109.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/1-13.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0c\u4e3a\u4e86\u65b9\u4fbf\u5f00\u53d1\u8005\u4f7f\u7528\uff0c\u5728Proxy\u5305\u88c5\u5e76\u62bd\u8c61\u4e86\u7cfb\u7edf\u63a5\u53e3\u4e4b\u540e\uff0cAndroid SDK\u4e5f\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7cfb\u7edf\u670d\u52a1\u5bf9\u5e94\u7684\u7ba1\u7406\u5668\u4f5c\u4e3a\u5c01\u88c5\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e0e\u4e4b\u5bf9\u5e94\u7684\u53e6\u5916\u4e00\u5957API\u4ee5\u7b80\u5316\u5f00\u53d1\u8005\u7684\u4f7f\u7528\u3002\u4e0d\u540c\u4e8e\u7cfb\u7edf\u670d\u52a1\u672c\u8eab\u5177\u6709\u7684\u4ee3\u7801\uff0c\u8fd9\u4e9b\u7ba1\u7406\u5668\u4e0e\u5e94\u7528\u5c42\u8f6f\u4ef6\u4ee3\u7801\u8fd0\u884c\u5728\u540c\u4e00\u8fdb\u7a0b\u7a7a\u95f4\uff0c\u6240\u4ee5\u6076\u610f\u8f6f\u4ef6\u5f00\u53d1\u8005\u53ef\u4ee5\u91cd\u5199\u8fd9\u90e8\u5206\u4ee3\u7801\u3002\u7531\u6b64\u53ef\u89c1\uff0c\u7cfb\u7edf\u670d\u52a1\u4e5f\u4e0d\u80fd\u4fe1\u4efb\u5e94\u7528\u5c42\u8f6f\u4ef6\u53ef\u63a7\u4ee3\u7801\u5185\u7684\u4efb\u4f55\u5b89\u5168\u9a8c\u8bc1\uff0c\u5373\u8fd9\u4e9b\u7ba1\u7406\u5668\u4e2d\u7684\u5b89\u5168\u9a8c\u8bc1\u4e5f\u90fd\u5e94\u5f53\u4e0d\u53ef\u4fe1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2.&nbsp;Android\u7cfb\u7edf\u670d\u52a1\u4e2d\u7684\u654f\u611f\u8f93\u5165\u9a8c\u8bc1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u654f\u611f\u8f93\u5165\u9a8c\u8bc1\u5bf9\u4e8eAndroid\u670d\u52a1\u7684\u5b89\u5168\u6027\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u5e38\uff0c\u8f93\u5165\u9a8c\u8bc1\u4e00\u822c\u662f\u5c06\u8f93\u5165\u6570\u636e\u4e0e\u4e00\u7cfb\u5217\u9884\u5148\u5b9a\u4e49\u7684\u671f\u671b\u503c\u8fdb\u884c\u5bf9\u6bd4\u6216\u4e0e\u53ef\u4fe1\u6570\u636e\u6e90\u8fdb\u884c\u4ea4\u53c9\u9a8c\u8bc1\uff0c\u7136\u540e\u6839\u636e\u5bf9\u6bd4\u7ed3\u679c\u518d\u6267\u884c\u4e00\u7cfb\u5217\u7684\u5bf9\u5e94\u4ee3\u7801\u884c\u4e3a\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u66f4\u5173\u5fc3\u7684\u662f\u4e0e\u5b89\u5168\u76f8\u5173\u7684\u654f\u611f\u8f93\u5165\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u6b64\uff0c\u6211\u4eec\u603b\u7ed3\u4e86\u4e24\u79cd\u4e0e\u5b89\u5168\u76f8\u5173\u7684\u8f93\u5165\u9a8c\u8bc1\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff081\uff09&nbsp;\u5bf9\u8f93\u5165\u8005\u7684\u8eab\u4efd\/\u5c5e\u6027\u7684\u9a8c\u8bc1\uff1b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff082\uff09&nbsp;\u7ea6\u675f\u654f\u611f\u8d44\u6e90\u7684\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u6a21\u5f0f\uff081\uff09\uff0c\u5728Android\u7cfb\u7edf\u4e2d\uff0c\u8f93\u5165\u8005\u7684\u8eab\u4efd\/\u5c5e\u6027\u6807\u8bc6\u4e3b\u8981\u5305\u62ec\u5e7f\u6cdb\u4f7f\u7528\u7684\u51e0\u4e2a\u8f93\u5165\u5b57\u6bb5\uff0c\u5982uid\u3001pid\u3001package 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class=\"wp-block-paragraph\">\u57fa\u4e8e\u5b9e\u9a8c\u548c\u89c2\u5bdf\uff0c\u6211\u4eec\u603b\u7ed3\u4e864\u7c7b\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u95ee\u9898\u7684\u8f93\u5165\u9a8c\u8bc1\u7f3a\u9677\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1\uff0e\u4e0d\u6b63\u786e\u5730\u4fe1\u4efb\u6765\u81ea\u5e94\u7528\u5c42\u7684\u6570\u636e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e9b\u7cfb\u7edf\u670d\u52a1\u5c06\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7684\u8f93\u5165\u6570\u636e\u4f5c\u4e3a\u5bf9\u5176\u8eab\u4efd\u9a8c\u8bc1\u7684\u4f9d\u636e\u3002\u663e\u7136\uff0c\u7531\u4e8e\u8be5\u8f93\u5165\u6765\u6e90\u4e8e\u4e0d\u53ef\u4fe1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5176\u5e94\u8be5\u4e5f\u4e3a\u4e0d\u53ef\u4fe1\u6570\u636e\uff0c\u4e0d\u5e94\u4f5c\u4e3a\u654f\u611f\u8f93\u5165\u9a8c\u8bc1\u7684\u5224\u65ad\u4f9d\u636e\u3002\u56e0\u6b64\uff0c\u5982\u679c\u4e00\u4e2a\u654f\u611f\u7684\u8f93\u5165\u9a8c\u8bc1\u4f7f\u7528\u4e86\u5e94\u7528\u8f6f\u4ef6\u63d0\u4f9b\u7684\u8f93\u5165\u6570\u636e\uff0c\u90a3\u4e48\u8be5\u8f93\u5165\u9a8c\u8bc1\u53ef\u80fd\u662f\u5b58\u5728\u6f0f\u6d1e\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2\uff0e\u4e0d\u6b63\u786e\u5730\u4fe1\u4efb\u6765\u81ea\u5e94\u7528\u5c42\u7684\u4ee3\u7801<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u8f93\u5165\u9a8c\u8bc1\u7684\u975e\u7ed3\u6784\u5316\u7279\u70b9\uff0c\u6743\u9650\u68c0\u67e5\u7684\u9a8c\u8bc1\u903b\u8f91\u4ee3\u7801\u7ecf\u5e38\u4f1a\u88ab\u9519\u8bef\u653e\u7f6e\u5728\u5e94\u7528\u8fdb\u7a0b\u4e2d\u3002\u5177\u4f53\u800c\u8a00\uff0cAndroid 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