{"id":174,"date":"2016-03-29T03:38:10","date_gmt":"2016-03-29T03:38:10","guid":{"rendered":""},"modified":"2016-03-29T03:38:10","modified_gmt":"2016-03-29T03:38:10","slug":"","status":"publish","type":"post","link":"http:\/\/weizn.net\/?p=174","title":{"rendered":"Cisco ASA IKE Buffer Overflow (CVE-2016-1287)"},"content":{"rendered":"

 <\/span> <\/p>\n

\n\t1.<\/strong><\/span>\u80cc\u666f\uff1a<\/strong><\/span>\n<\/p>\n

\n\t\u5728\u4e0a\u6708<\/span>10<\/span>\u53f7\uff0c<\/span>Cisco<\/span>\u53d1\u5e03\u4e86\u7f16\u53f7\u4e3a<\/span>CVE-2016-1287<\/span>\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u8865\u4e01\uff0c\u601d\u79d1<\/span>ASA<\/span>\u81ea\u9002\u5e94\u5b89\u5168\u8bbe\u5907\u662f\u5145\u5f53\u4e00\u4e2a\u5e94\u7528\u611f\u77e5\u9632\u706b\u5899\uff0c\u7f51\u7edc\u75c5\u6bd2\uff0c\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\u548c\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff08<\/span>VPN<\/span>\uff09\u670d\u52a1\u5668\u7684<\/span>IP<\/span>\u8def\u7531\u5668\uff0c\u5b83\u88ab\u6807\u699c\u4e3a\u201c\u4e1a\u754c\u90e8\u7f72\u6700\u5e7f\u7684\u72b6\u6001\u9632\u706b\u5899\u201d\uff0c\u5f53\u90e8\u7f72\u4e86<\/span>VPN<\/span>\uff0c\u53ef\u4e3a\u79fb\u52a8\u529e\u516c\u63d0\u4f9b\u8bbf\u95ee\u516c\u53f8\u5185\u90e8\u7f51\u7edc\u7684\u529f\u80fd\u3002<\/span>\n<\/p>\n

\n\t\n<\/p>\n

\n\t2.<\/strong><\/span>\u6458\u8981\uff1a<\/strong><\/span>\n<\/p>\n

\n\t\u8fd9\u6b21\u6f0f\u6d1e\u53d1\u751f\u5728<\/span>Cisco ASA<\/span>\u7cfb\u7edf\u5728\u5904\u7406<\/span>Internet<\/span>\u5bc6\u94a5\u4ea4\u6362\u534f\u8bae\uff08<\/span>IKE<\/span>\uff09\u7684\u4ee3\u7801\u4e2d\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u8ba9<\/span>Cisco ASA<\/span>\u8bbe\u5907\u91cd\u542f\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002<\/span>\n<\/p>\n

\n\t\u6f0f\u6d1e\u662f\u7531\u4e8e\u7f13\u51b2\u533a\u8fb9\u754c\u68c0\u67e5\u4e0d\u4e25\u800c\u9020\u6210\u4e86\u5806\u6ea2\u51fa\uff0c\u4e00\u4e2a\u653b\u51fb\u8005\u53ef\u4ee5\u5411\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u53d1\u9001\u4e00\u7ec4\u7cbe\u5fc3\u6784\u9020\u7684<\/span>UDP<\/span>\u6570\u636e\u5305\u6765\u653b\u51fb\u7cfb\u7edf\uff0c\u8fd9\u4e2a\u6f0f\u6d1e\u5141\u8bb8\u653b\u51fb\u8005\u8fdc\u7a0b\u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u6216\u4f7f\u8bbe\u5907\u91cd\u542f\u3002\u6f0f\u6d1e\u5f71\u54cd<\/span>IKE<\/span>\u7248\u672c<\/span>1<\/span>\uff08<\/span>v1<\/span>\uff09\u548c\u7248\u672c<\/span>2<\/span>\uff08<\/span>v2<\/span>\uff09\uff0c\u4f46\u662f\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd<\/span>IKEv1<\/span>\u3002<\/span>\n<\/p>\n

\n\t\n<\/p>\n

\n\t3.<\/strong><\/span>\u5f71\u54cd\u8303\u56f4\uff1a<\/strong><\/span>\n<\/p>\n

\n\t\u6839\u636e<\/span>Cisco<\/span>\u5b98\u65b9\u63d0\u4f9b\u7684\u62a5\u544a\uff0c\u5305\u62ec\u4f46\u4e0d\u4ec5\u9650\u4e8e\u4e0b\u5217\u4ea7\u54c1\u53d7\u5f71\u54cd\uff1a<\/span>\n<\/p>\n

\n\tCisco ASA 5500 Series Adaptive Security Appliances<\/span>\n<\/p>\n

\n\tCisco ASA 5500-X Series Next-Generation Firewalls<\/span>\n<\/p>\n

\n\tCisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers<\/span>\n<\/p>\n

\n\tCisco ASA 1000V Cloud Firewall<\/span>\n<\/p>\n

\n\tCisco Adaptive Security Virtual Appliance (ASAv)<\/span>\n<\/p>\n

\n\tCisco Firepower 9300 ASA Security Module<\/span>\n<\/p>\n

\n\tCisco ISA 3000 Industrial Security Appliance<\/span>\n<\/p>\n

\n\t\n<\/p>\n

\n\t4.<\/strong><\/span>\u6f0f\u6d1e\u5206\u6790\uff1a<\/strong><\/span>\n<\/p>\n

\n\t4.1<\/span>\u534f\u8bae\u539f\u7406\uff1a<\/span>\n<\/p>\n

\n\t         <\/span>IKE<\/span>\uff08<\/span>Internet key exchange<\/span>\uff09\uff1a<\/span>Internet<\/span>\u5bc6\u94a5\u4ea4\u6362\u534f\u8bae\uff0c\u5c5e\u4e8e\u6df7\u5408\u534f\u8bae\uff0c\u7531<\/span>Internet<\/span>\u5b89\u5168\u5173\u8054\u548c\u5bc6\u94a5\u7ba1\u7406\u534f\u8bae\uff08<\/span>ISAKMP<\/span>\uff09\u548c\u4e24\u79cd\u5bc6\u94a5\u4ea4\u6362\u534f\u8bae<\/span>OAKLEY<\/span>\u4e0e<\/span>SKEME<\/span>\u7ec4\u6210\u3002<\/span>\n<\/p>\n

\n\t\u5728<\/span>IKE<\/span>\u534f\u8bae\u8fc7\u7a0b\u4e2d\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u9009\u7684\u5206\u7247\u529f\u80fd\uff0c<\/span>IKE<\/span>\u5206\u7247\u662f\u5c06\u4e00\u4e2a\u8f83\u5927\u7684\u6570\u636e\u5305\u5206\u5272\u6210\u591a\u4e2a\u8f83\u5c0f\u7684\u788e\u7247\u53d1\u9001\uff0c\u788e\u7247\u7684\u8be6\u7ec6\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span>\n<\/p>\n

\n\t\"1.jpg\"<\/a>\n<\/p>\n

\n\t\n<\/p>\n

\n\t\u6bcf\u4e00\u4e2a\u788e\u7247\u90fd\u5c5e\u4e8e<\/span>IKE<\/span>\u7684\u8f7d\u8377\uff0c\u5176\u524d\u9762\u5fc5\u987b\u662f<\/span>IKE<\/span>\u62a5\u6587\u5934\uff0c<\/span>IKE<\/span>\u5934\u90e8\u4e2d\u7684\u8f7d\u8377\u7c7b\u578b\u5b57\u6bb5\u5e94\u8bbe\u7f6e\u4e3a\u788e\u7247\u8f7d\u8377\u7c7b\u578b\u503c<\/span>0x84<\/span>\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u788e\u7247\u5934\u90e8\u4e2d<\/span>Next_Payload<\/span>\u548c<\/span>RESERVED<\/span>\u5b57\u6bb5\u5fc5\u987b\u8bbe\u7f6e\u4e3a<\/span>0<\/span>\uff0c\u540c\u4e00\u7ec4\u788e\u7247<\/span>Fragment_ID<\/span>\u5b57\u6bb5\u5fc5\u987b\u8bbe\u4e3a\u76f8\u540c\u7684\u503c\uff0c<\/span>Fragment_Number<\/span>\u5b57\u6bb5\u81ea\u7b2c\u4e00\u4e2a\u788e\u7247\u8bbe\u7f6e\u4e3a<\/span>1<\/span>\u5f00\u59cb\u9010\u4e2a\u9012\u589e\uff0c<\/span>Flags<\/span>\u5c5e\u4e8e\u7ed3\u675f\u6807\u8bc6\u4f4d\uff0c\u53ea\u5728\u6700\u540e\u4e00\u4e2a\u788e\u7247\u4e2d\u8bbe\u7f6e\u3002<\/span>\n<\/p>\n

\n\t\u4f46\u662f\uff0c\u5e76\u4e0d\u662f\u6bcf\u6b21<\/span>IKE<\/span>\u8fc7\u7a0b\u90fd\u4f1a\u5206\u7247\uff0c\u9664\u975e\u5728\u6b64\u4e4b\u524d\u901a\u4fe1\u53cc\u65b9\u6709\u4e00\u4e2a\u534f\u5546\u8fc7\u7a0b\u6765\u8868\u660e\u81ea\u5df1\u652f\u6301\u6b64\u529f\u80fd\u3002\u5728<\/span>IKEv1<\/span>\u4e2d\uff0c\u534f\u8bae\u53d1\u8d77\u65b9\u82e5\u652f\u6301\u5206\u7247\u529f\u80fd\u5219\u4f1a\u5728\u65b0\u7684\u534f\u5546\u62a5\u6587\u4e2d\u5305\u542b\u5177\u6709\u201c<\/span>FRAGMENTION<\/span>\u201d\u6807\u8bc6\u7684<\/span>vendorID<\/span>\u8f7d\u8377\uff0c\u82e5\u5e94\u7b54\u65b9\u4e5f\u652f\u6301\u5206\u7247\u529f\u80fd\uff0c\u5219\u4f1a\u5728\u8fd4\u56de\u7684\u534f\u5546\u62a5\u6587\u4e2d\u4e5f\u5305\u542b\u76f8\u540c\u7684<\/span>vendorID<\/span>\u8f7d\u8377\uff0c\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/span>\n<\/p>\n

\n\tInitiator<\/span>                                     <\/span>Responder<\/span>\n<\/p>\n

\n\t———–<\/span>                              <\/span>   <\/span>    <\/span>———–<\/span>\n<\/p>\n

\n\t   <\/span>HDR, SA, <\/span>\n<\/p>\n

\n\t      <\/span>  <\/span>[VID(FRAGMENTION)]<\/span>  <\/span>–><\/span>\n<\/p>\n

\n\t                                <\/span><–<\/span>   <\/span>HDR, SA,<\/span>\n<\/p>\n

\n\t                                           <\/span>[VID(FRAGMENTION)]<\/span>\n<\/p>\n

\n\t4.2<\/span>\u4ee3\u7801\u5206\u6790\uff1a<\/span>\n<\/p>\n

\n\t\u5bf9\u4e8e\u5e94\u7b54\u65b9\uff0c\u5f53\u63a5\u6536\u5230<\/span>IKE<\/span>\u788e\u7247\u62a5\u6587\uff0c\u5c06\u4f1a\u89e6\u53d1\u4e24\u4e2a\u5173\u952e\u7684\u51fd\u6570\uff0c<\/span>ikev1_add_rcv_frag()<\/span>\u548c<\/span>ikev1_reassemble_pkt()<\/span>\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u51fd\u6570\u4f5c\u7528\u662f\u63a5\u6536\u5230\u6bcf\u4e00\u4e2a\u788e\u7247\u6dfb\u52a0\u5230\u91cd\u7ec4\u961f\u5217\u4e2d\uff0c\u7b2c\u4e8c\u4e2a\u51fd\u6570\u5728\u6240\u6709\u788e\u7247\u63a5\u6536\u5b8c\u6210\u540e\u5c06\u5176\u91cd\u7ec4\u4e3a\u4e00\u4e2a\u5b8c\u6574\u7684\u62a5\u6587\u3002<\/span>\n<\/p>\n

\n\t\u5728\u65b0\u6536\u5230\u4e00\u4e2a\u65b0\u7684\u788e\u7247\u540e\uff0c<\/span>ikev1_add_rcv_frag()<\/span>\u51fd\u6570\u90fd\u4f1a\u91cd\u65b0\u8ba1\u7b97\u91cd\u7ec4\u540e\u7684\u62a5\u6587\u957f\u5ea6\u3002\u4e0b\u5217\u6458\u9009\u4e86<\/span>ikev1_add_rcv_frag()<\/span>\u51fd\u6570\u7684\u76f8\u5173\u4ee3\u7801\u7247\u6bb5\uff1a<\/span>\n<\/p>\n

\n\t…<\/span>\n<\/p>\n

\n\tmov eax,[eax]<\/span>                              <\/span>\n<\/p>\n

\n\tmov ecx,[ebp+var_150]<\/span>            <\/span>;<\/span>\u65b0\u63a5\u6536\u5230\u7684\u788e\u7247\u957f\u5ea6<\/span>\n<\/p>\n

\n\tmov eax,[eax+4]<\/span>                         <\/span>;<\/span>\u53d6\u51fa\u539f\u91cd\u7ec4\u961f\u5217\u7684\u957f\u5ea6<\/span>\n<\/p>\n

\n\tlea eax,[ecx+eax-8]<\/span>                    <\/span>;<\/span>\u5c06\u65b0\u63a5\u6536\u5230\u7684\u788e\u7247\u957f\u5ea6\u52a0\u4e0a\u5df2\u63a5\u6536\u5230\u7684\u91cd\u7ec4\u961f\u5217\u957f\u5ea6\u518d\u51cf\u53bb<\/span>8<\/span>\n<\/p>\n

\n\tcmp eax,7FFFh<\/span>\n<\/p>\n

\n\tmov [ebp+var_158],eax<\/span>            <\/span>;<\/span>\u50a8\u5b58\u65b0\u7684\u91cd\u7ec4\u961f\u5217\u957f\u5ea6<\/span>\n<\/p>\n

\n\t…<\/span>\n<\/p>\n

\n\t         <\/span>\u5f53\u6240\u6709\u7684\u788e\u7247\u63a5\u6536\u5b8c\u6210\u540e\uff0c<\/span>ikev1_reassemble_pkt()<\/span>\u51fd\u6570\u5c06\u4f1a\u5728\u5185\u5b58\u4e2d\u7533\u8bf7\u4e00\u5757\u8fde\u7eed\u7684\u7a7a\u95f4\u5b58\u653e\u91cd\u7ec4\u540e\u7684\u62a5\u6587\uff0c\u76f8\u5173\u4ee3\u7801\u5982\u4e0b\uff1a<\/span>\n<\/p>\n

\n\t…<\/span>\n<\/p>\n

\n\tmov eax,[ecx+4]<\/span>                <\/span>                   <\/span>;<\/span>\u53d6\u51fa\u91cd\u7ec4\u62a5\u6587\u7684\u957f\u5ea6<\/span>\n<\/p>\n

\n\tadd eax,8<\/span>\n<\/p>\n

\n\tmov [esp],eax<\/span>           <\/span>         <\/span>                   <\/span>;<\/span>\u957f\u5ea6\u53c2\u6570\u5165\u6808<\/span>\n<\/p>\n

\n\tcall my_malloc<\/span>                   <\/span>         <\/span>                   <\/span>;<\/span>\u7533\u8bf7\u5185\u5b58<\/span>\n<\/p>\n

\n\t…<\/span>\n<\/p>\n

\n\tmov ecx,[eax]<\/span>                     <\/span>                   <\/span>;<\/span>\u4e0b\u4e00\u4e2a\u788e\u7247\u7684\u5185\u5b58\u5730\u5740<\/span>\n<\/p>\n

\n\ttest ecx,ecx<\/span>\n<\/p>\n

\n\tjz<\/span>\n<\/p>\n

\n\tmovzx eax,word ptr [ecx+2]<\/span>    <\/span>         <\/span>;<\/span>\u83b7\u53d6\u788e\u7247\u957f\u5ea6<\/span>\n<\/p>\n

\n\tadd edi,1<\/span>\n<\/p>\n

\n\tror ax,8<\/span>\n<\/p>\n

\n\tmovzx eax,ax<\/span>\n<\/p>\n

\n\tsub eax,8<\/span>\n<\/p>\n

\n\tmov [ebp+len],eax<\/span>\n<\/p>\n

\n\tmov eax,[ebp+var_140]<\/span>\n<\/p>\n

\n\tlea edx,[ebx_eax+4]<\/span>\n<\/p>\n

\n\tlea eax,[ecx+8]<\/span>\n<\/p>\n

\n\tmove cx,[ebp+len]<\/span>\n<\/p>\n

\n\tmov [esp],edx<\/span>                    <\/span>                   <\/span>;<\/span>\u76ee\u7684\u5730\u5740\u53c2\u6570<\/span>\n<\/p>\n

\n\tmov [esp+4],eax<\/span>                         <\/span>         <\/span>;<\/span>\u6e90\u5730\u5740\u53c2\u6570<\/span>\n<\/p>\n

\n\tmov [esp+8],ecx<\/span>                <\/span>         <\/span>         <\/span>;<\/span>\u62f7\u8d1d\u957f\u5ea6<\/span>\n<\/p>\n

\n\tcall my_memcpy\u2026<\/span>\n<\/p>\n

\n\t\u2026<\/span>\n<\/p>\n

\n\t\n<\/p>\n

\n\t\u5728<\/span>ikev1_add_rcv_frag()<\/span>\u51fd\u6570\u4e2d\u5b58\u5728\u7740\u903b\u8f91\u95ee\u9898\uff0c\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u63a5\u6536\u5230\u7684\u788e\u7247\uff0c\u867d\u7136\u4ee3\u7801\u68c0\u67e5\u4e86\u957f\u5ea6\u7684\u6700\u5927\u503c\uff0c\u4f46\u5374\u6ca1\u6709\u68c0\u67e5\u6700\u5c0f\u503c\uff0c\u5e76\u4e14\u5728\u6bcf\u63a5\u6536\u5230\u4e00\u4e2a\u788e\u7247\u540e\uff0c\u90fd\u4f1a\u51cf\u53bb\u5b83\u7684\u5934\u90e8\u957f\u5ea6<\/span>8<\/span>\u5b57\u8282\uff0c\u82e5\u653b\u51fb\u8005\u6784\u9020\u4e00\u7ec4\u5206\u7247\u5305\uff0c\u4f46\u5176\u4e2d\u4e00\u4e2a\u788e\u7247\u4e0d\u5305\u542b\u6570\u636e\u6bb5\uff0c\u5e76\u5c06<\/span>Payload_Length<\/span>\u5b57\u6bb5\u8bbe\u7f6e\u4e3a\u5c0f\u4e8e\u5934\u90e8\u957f\u5ea6\u7684<\/span>8<\/span>\u5b57\u8282\u7684\u503c\uff0c\u90a3\u4e48\u5b58\u5728\u6f0f\u6d1e\u7684\u8bbe\u5907\u5728\u63a5\u6536\u5230\u8fd9\u7ec4\u5206\u7247\u540e\uff0c\u4f1a\u9519\u8bef\u7684\u8ba1\u7b97\u91cd\u7ec4\u961f\u5217\u957f\u5ea6\uff0c\u4f7f\u5f97\u91cd\u7ec4\u961f\u5217\u7684\u957f\u5ea6\u5c0f\u4e8e\u5b9e\u9645\u63a5\u6536\u788e\u7247\u7684\u603b\u957f\u5ea6\uff0c\u90a3\u4e48\u5728<\/span>ikev1_reassemble_pkt()<\/span>\u51fd\u6570\u7684\u5185\u5b58\u590d\u5236\u9636\u6bb5\u5c31\u4f1a\u53d1\u751f\u5806\u6ea2\u51fa\u9519\u8bef\u3002<\/span>\n<\/p>\n

\n\t\n<\/p>\n

\n\t5.<\/strong><\/span>\u5b9e\u6d4b<\/strong><\/span>\n<\/p>\n

\n\t         <\/span>\u5728\u652f\u6301<\/span>IKEv1<\/span>\u7684\u6d4b\u8bd5\u673a\u4e0a\u5f00\u542f<\/span>debug<\/span>\u6a21\u5f0f\u540e\u770b\u5230\u5f53\u6536\u5230\u4e00\u4e2a<\/span>IKEv1<\/span>\u7684\u5206\u7247\u534f\u5546\u62a5\u6587\u540e\uff0c\u8bbe\u5907\u4e5f\u6784\u9020\u4e86\u4e00\u4e2a\u534f\u5546\u62a5\u6587\u505a\u4e3a\u5e94\u7b54\uff1a<\/span>\n<\/p>\n

\n\t\"2.jpg\"<\/a>\n<\/p>\n

\n\t\n<\/p>\n

\n\tWireshark<\/span>\u6293\u5305\u663e\u793a\u5982\u4e0b\uff1a<\/span>\n<\/p>\n

\n\t\u53d1\u8d77\u65b9<\/span>\n<\/p>\n

\n\t\"3.jpg\"<\/a>\n<\/p>\n

\n\t\n<\/p>\n

\n\t\u5e94\u7b54\u65b9<\/span>\n<\/p>\n

\n\t\"4.jpg\"<\/a>\n<\/p>\n

\n\t\n<\/p>\n

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\n\t\"5.jpg\"<\/a>\n<\/p>\n

\n\t\n<\/p>\n

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\n\t\"6.jpg\"<\/a>\n<\/p>\n

\n\t\n<\/p>\n

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\n\t\n<\/p>\n

\n\t<\/span>\n<\/p>\n

\n\t<\/span> \n<\/p>\n

\n\tPOC & EXP: <\/strong><\/span>\n<\/p>\n

\n\tCVE-2016-1287<\/a><\/span>\n<\/p>\n

\n\t\u53c2\u8003\uff1a<\/strong><\/span>\n<\/p>\n

\n\thttp:\/\/www.weizn.net\/?post=169<\/a><\/span>\n<\/p>\n

\n\thttp:\/\/weizn.net\/pdf\/MS-IKEE.pdf<\/a> <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

 <\/span> <\/p>\n

\n\t1.<\/span>\u80cc\u666f\uff1a<\/span>\n<\/p>\n

\n\t\u5728\u4e0a\u6708<\/span>10<\/span>\u53f7\uff0c<\/span>Cisco<\/span>\u53d1\u5e03\u4e86\u7f16\u53f7\u4e3a<\/span>CVE-2016-1287<\/span>\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u8865\u4e01\uff0c\u601d\u79d1<\/span>ASA<\/span>\u81ea\u9002\u5e94\u5b89\u5168\u8bbe\u5907\u662f\u5145\u5f53\u4e00\u4e2a\u5e94\u7528\u611f\u77e5\u9632\u706b\u5899\uff0c\u7f51\u7edc\u75c5\u6bd2\uff0c\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\u548c\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff08<\/span>VPN<\/span>\uff09\u670d\u52a1\u5668\u7684<\/span>IP<\/span>\u8def\u7531\u5668\uff0c\u5b83\u88ab\u6807\u699c\u4e3a\u201c\u4e1a\u754c\u90e8\u7f72\u6700\u5e7f\u7684\u72b6\u6001\u9632\u706b\u5899\u201d\uff0c\u5f53\u90e8\u7f72\u4e86<\/span>VPN<\/span>\uff0c\u53ef\u4e3a\u79fb\u52a8\u529e\u516c\u63d0\u4f9b\u8bbf\u95ee\u516c\u53f8\u5185\u90e8\u7f51\u7edc\u7684\u529f\u80fd\u3002<\/span>\n<\/p>\n

\n\t2.<\/span>\u6458\u8981\uff1a<\/span>\n<\/p>\n

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