{"id":122386,"date":"2022-03-17T12:00:05","date_gmt":"2022-03-17T19:00:05","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=122386"},"modified":"2022-03-16T23:52:14","modified_gmt":"2022-03-17T06:52:14","slug":"iot-supply-chain-cve-2021-28372","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/iot-supply-chain-cve-2021-28372\/","title":{"rendered":"CVE-2021-28372: \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30c6\u30af\u30ce\u30ed\u30b8\u306b\u3072\u305d\u3080\u8106\u5f31\u6027 \u591a\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9(IP\u30ab\u30e1\u30e9)\u3084\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u306b\u5f71\u97ff"},"content":{"rendered":"<h2><strong>\u6982\u8981<\/strong><\/h2>\n<p>\u6700\u8fd1\u3001\u7d44\u307f\u8fbc\u307fP2P\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u30ad\u30c3\u30c8\u306eThroughTek Kalay\u306b\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u3084\u60c5\u5831\u6f0f\u3048\u3044\u306e\u8106\u5f31\u6027(CVE-2021-28372)\u304c\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u540c\u30ad\u30c3\u30c8\u306f\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9(IP\u30ab\u30e1\u30e9)\u3084\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u306b\u591a\u6570\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3046\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u306e\u5229\u7528\u8005\u306f\u5185\u8535\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084TCP\/IP\u30b9\u30bf\u30c3\u30af\u306b\u3064\u3044\u3066\u628a\u63e1\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u591a\u304f\u3001\u3053\u306e\u7a2e\u306e\u8106\u5f31\u6027\u306f\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u3067\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u306f\u540c\u8106\u5f31\u6027\u304c\u7279\u5b9a\u306eIoT\u30c7\u30d0\u30a4\u30b9\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3059\u308b\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u3053\u306e\u554f\u984c\u306fIoT\u30c7\u30d0\u30a4\u30b9\u5168\u822c\u306b\u307e\u3064\u308f\u308b\u554f\u984c\u3082\u6d6e\u304d\u5f6b\u308a\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306e\u7d44\u307f\u8fbc\u307f\u30c6\u30af\u30ce\u30ed\u30b8\u306f\u3001\u8106\u5f31\u6027\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u7d42\u4e86\u3057\u3066\u3044\u305f\u308a\u53e4\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u7d50\u679c\u3068\u3057\u3066IoT\u30c7\u30d0\u30a4\u30b9\u304c\u8106\u5f31\u306a\u307e\u307e\u3068\u306a\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u3001\u9069\u5207\u306a\u53ef\u8996\u5316\u3068\u30ea\u30b9\u30af\u304a\u3088\u3073\u8106\u5f31\u6027\u306e\u8a55\u4fa1\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/iot-security\">IoT\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a>\u3092\u901a\u3058\u3001\u672c\u7a3f\u3067\u89e3\u8aac\u3059\u308b\u8106\u5f31\u6027\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<table style=\"width: 101.402%;\">\n<tbody>\n<tr>\n<td style=\"width: 46.0055%;\"><span style=\"font-weight: 400;\">\u672c\u7a3f\u3067\u6271\u3046CVE<\/span><\/td>\n<td style=\"width: 338.567%;\"><span style=\"font-weight: 400;\">CVE-2021-28372<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 46.0055%;\"><span style=\"font-weight: 400;\">Unit 42\u306e\u95a2\u9023\u30c8\u30d4\u30c3\u30af<\/span><\/td>\n<td style=\"width: 338.567%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/iot-ja\/\"><span style=\"font-weight: 400;\">IoT security<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/supply-chain-ja\/\"><span style=\"font-weight: 400;\">supply chain<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u76ee\u6b21<\/h2>\n<p><a href=\"#Background-on-CVE-2021-28372\">CVE-2021-28372\u306e\u80cc\u666f<\/a><br \/>\n<a href=\"#What-Is-ThroughTek-Kalay\">ThroughTek Kalay\u3068\u306f<\/a><br \/>\n<a href=\"#Who-Does-Your-IoT-Device-Talk-to\">\u81ea\u793eIoT\u30c7\u30d0\u30a4\u30b9\u306f\u4f55\u3068\u901a\u4fe1\u3057\u3066\u3044\u308b\u304b<\/a><br \/>\n<a href=\"#IoT-Supply-Chain-Increases-Attack-Surface-of-Devices\">IoT\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306b\u3088\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u62e1\u5927<\/a><br \/>\n<a href=\"#Proactively-Secure-IoT-Devices\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306fIoT\u30c7\u30d0\u30a4\u30b9\u306e\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/a><br \/>\n<a href=\"#Conclusion\">\u7d50\u8ad6<\/a><br \/>\n<a href=\"#Additional-Resources\">\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/a><\/p>\n<h2><a id=\"Background-on-CVE-2021-28372\"><\/a>CVE-2021-28372\u306e\u80cc\u666f<\/h2>\n<p>2021\u5e748\u6708\u3001ThroughTek Kalay P2P Software Development Kit (SDK)\u3092\u4f7f\u7528\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8106\u5f31\u6027\u304c\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306b\u3088\u3063\u3066\u7279\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u300120\u30d3\u30c3\u30c8\u306e\u4e00\u610f\u306a\u8b58\u5225\u5b50\u3092\u4f7f\u3063\u3066\u3001ThoughTek Kalay SDK\u3092\u52d5\u4f5c\u3055\u305b\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u306b\u306a\u308a\u3059\u307e\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u304c\u88ab\u5bb3\u8005\u306e\u63a5\u7d9a\u3092\u4e57\u3063\u53d6\u308a\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u8a8d\u8a3c\u60c5\u5831(\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb)\u3092\u62bd\u51fa\u3057\u3001\u305d\u306e\u6a5f\u5fae\u60c5\u5831\u306b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002ThroughTek Kalay SDK\u306f\u3055\u307e\u3056\u307e\u306aIoT\u30c7\u30d0\u30a4\u30b9\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3001\u30d3\u30c7\u30aa\u30ec\u30b3\u30fc\u30c0\u30fc\u3001\u30d9\u30d3\u30fc\u30e2\u30cb\u30bf\u30fc\u306a\u3069\u3067\u3059\u3002\u307e\u305f\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u3055\u307e\u3056\u307e\u306a\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u3084\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8106\u5f31\u6027\u306e\u3042\u308bSDK\u3092\u4f7f\u7528\u3057\u3066\u3044\u308bIoT\u30c7\u30d0\u30a4\u30b9\u306e\u5927\u534a\u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6620\u50cf\u914d\u4fe1\u30fb\u97f3\u58f0\u914d\u4fe1\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u7aef\u672b\u3078\u306e\u653b\u6483\u304c\u6210\u529f\u3059\u308b\u3068\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u6620\u50cf\u3084\u97f3\u58f0\u304c\u6d41\u51fa\u3057\u3001\u7aef\u672b\u304c\u8a50\u79f0\u3055\u308c\u305f\u308a\u3001\u8a3c\u660e\u66f8\u304c\u4e57\u3063\u53d6\u3089\u308c\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u306b\u306f<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2021-28372\">CVE-2021-28372<\/a>\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u304a\u308a\u3001CVSS\u30b9\u30b3\u30a2\u306f9.6\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u8a73\u3057\u304f\u306f<a href=\"https:\/\/us-cert.cisa.gov\/ics\/advisories\/icsa-21-229-01\">ICS-Cert\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2><a id=\"What-Is-ThroughTek-Kalay\"><\/a>ThroughTek Kalay\u3068\u306f<\/h2>\n<p>ThroughTek Kalay\u306f\u3055\u307e\u3056\u307e\u306aIoT\u30c7\u30d0\u30a4\u30b9\u306b\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u3055\u307e\u3056\u307e\u306aIoT\u30d9\u30f3\u30c0\u30fc\u3001OEM\u3001\u30c1\u30c3\u30d7\u30e1\u30fc\u30ab\u30fc\u304c\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u7a2e\u985e\u3084\u696d\u754c\u306b\u7279\u5316\u3057\u305f\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u52b9\u7387\u306e\u3088\u3044\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u88fd\u54c1\u30b5\u30a4\u30c8\u306b\u3088\u308b\u3068\u3001<a href=\"https:\/\/www.throughtek.com\/overview\/\">ThroughTek Kalay 2.0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a>\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3001CCTV(\u76e3\u8996\u30ab\u30e1\u30e9)\u3001NVR(\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d3\u30c7\u30aa\u30ec\u30b3\u30fc\u30c0\u30fc)\u3001DVR(\u30c7\u30b8\u30bf\u30eb\u30d3\u30c7\u30aa\u30ec\u30b3\u30fc\u30c0\u30fc)\u3001\u4f4e\u96fb\u529b\u30ab\u30e1\u30e9\u3001\u30ab\u30e1\u30e9\u4ed8\u304d\u30a4\u30f3\u30bf\u30fc\u30db\u30f3\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e9\u30a4\u30c8\u30ab\u30e1\u30e9\u306a\u3069\u306e\u30d3\u30c7\u30aa\u76e3\u8996\u6a5f\u5668\u3084\u30b9\u30de\u30fc\u30c8\u30db\u30fc\u30e0\u88fd\u54c1\u306b\u3088\u304f\u4f7f\u308f\u308c\u3066\u304a\u308a\u3001\u3053\u306e\u307b\u304b\u306b\u306f\u30b9\u30de\u30fc\u30c8\u30ed\u30dc\u30c3\u30c8\u3001\u30eb\u30fc\u30bf\u30fc\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3084NAS\u30c7\u30d0\u30a4\u30b9\u3001\u5bb6\u96fb\u88fd\u54c1\u306a\u3069\u3067\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002ThroughTek Kalay\u306e\u30e6\u30fc\u30b6\u30fc\u5c64\u306f\u6d88\u8cbb\u8005\u30d6\u30e9\u30f3\u30c9\u30e1\u30fc\u30ab\u30fc\u304b\u3089\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e1\u30fc\u30ab\u30fc\u307e\u3067\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u3002<\/p>\n<p>ThroughTek Kalay\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001P2P\u6280\u8853\u3092\u5229\u7528\u3057\u3066\u5206\u6563\u578b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u69cb\u7bc9\u3057\u3001\u7279\u306b\u30b9\u30de\u30fc\u30c8\u30db\u30fc\u30e0\u306b\u9069\u3057\u305fIoT\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002ThroughTek Kalay\u306b\u3088\u308b\u3068\u3001\u540c\u793e\u306eSDK\u306f8,600\u4e07\u53f0\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30c7\u30d0\u30a4\u30b9\u3067\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u540c\u793e\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u6570\u306f\u6708\u959311\u5104\u56de\u4ee5\u4e0a\u3060\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"Who-Does-Your-IoT-Device-Talk-to\"><\/a>\u81ea\u793eIoT\u30c7\u30d0\u30a4\u30b9\u306f\u4f55\u3068\u901a\u4fe1\u3057\u3066\u3044\u308b\u304b<\/h2>\n<p>ThroughTek Kalay\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306fP2P\u63a5\u7d9a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u304a\u308a\u3001NAT(Network Address Translation)\u30c6\u30fc\u30d6\u30eb\u306e\u80cc\u5f8c\u306b\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u306bP2P\u3067\u63a5\u7d9a\u53ef\u80fd\u3067\u3059\u3002P2P\u63a5\u7d9a\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u540c\u58eb\u306e\u901a\u4fe1\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3068\u30b5\u30fc\u30d0\u30fc\u306eAPI\u5171\u6709\u3001\u8907\u6570\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u5358\u4e00\u969c\u5bb3\u70b9\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u30d9\u30f3\u30c0\u30fc(\u591a\u304f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u30e1\u30fc\u30ab\u30fc)\u304c\u3001ThroughTek Kalay\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u3092\u88fd\u9020\u3057\u3066\u3044\u307e\u3059\u3002\u5f0a\u793e\u306eIoT Security\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u7d44\u7e54\u306e\u30af\u30e9\u30a6\u30c9\u30bd\u30fc\u30b7\u30f3\u30b0\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u3001\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u30d9\u30f3\u30c0\u30fc\u306e\u306a\u304b\u306b\u3082ThroughTek Kalay\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u591a\u6570\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u305f\u3060\u3057Kalay\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u30c7\u30d0\u30a4\u30b9\u9593\u306eP2P\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u306e\u3067\u3001\u3053\u308c\u3089\u306e\u63a5\u7d9a\u78ba\u7acb\u306b\u306f\u7279\u5b9a\u306e\u30de\u30b9\u30bf\u30fc\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002ThroughTek\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u8d77\u52d5\u3059\u308b\u305f\u3073\u3001ThoughTek Kalay\u306e\u591a\u6570\u306eIoTC(Internet of Things Cloud)\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e1\u3064\u306b\u30e9\u30f3\u30c0\u30e0\u306aUDP\u30dd\u30fc\u30c8(10000\u301c19999)\u3092\u4f7f\u3063\u3066\u30b3\u30fc\u30eb\u30db\u30fc\u30e0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u3001\u3053\u308c\u306b\u3088\u3063\u3066NAT\u8d8a\u3048\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30de\u30b9\u30bf\u30fc\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u306f\u3001\u3069\u306eIoT\u30c7\u30d0\u30a4\u30b9\u304cThroughTek\u30b5\u30fc\u30d3\u30b9\u306b\u6d3b\u767a\u306b\u63a5\u7d9a\u3057\u3001P2P\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u3044\u308b\u304b\u306e\u624b\u304c\u304b\u308a\u3068\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3053\u306e\u3053\u3068\u304b\u3089\u3042\u308b\u7a2e\u306e\u61f8\u5ff5\u3082\u751f\u3058\u307e\u3059\u3002\u7279\u5b9a\u30d9\u30f3\u30c0\u30fc\u304b\u3089\u88fd\u54c1\u3092\u8cfc\u5165\u3057\u305f\u6d88\u8cbb\u8005\u306f\u3001\u81ea\u8eab\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u7d4c\u7531\u3067\u3053\u3046\u3057\u305f\u6d77\u5916\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u5fc5\u305a\u3057\u3082\u671f\u5f85\u306a\u3044\u3057\u610f\u8b58\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304cCVE-2021-28372\u3067\u3059\u3002\u3053\u306e\u4f8b\u3067\u3001\u79c1\u305f\u3061\u306fThoughTek Kalay\u306eIoTC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u69cb\u7bc9\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3068\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u67fb\u3057\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u8d77\u52d5\u6642\u306b\u6700\u521d\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u95a2\u6570\u306f<span style=\"font-family: 'courier new', courier, monospace;\"><a href=\"https:\/\/www.sunipcam.com\/sdk\/UserManual\/APIRefGuide\/_i_o_t_c_a_p_is_8h.html#ae9469c1b8f1494da98cd27cb70e114e9\">IOTC_Initialize<\/a><\/span>\u3067\u3059\u3002\u3053\u306e\u95a2\u6570\u306fThroughTek Kalay\u30de\u30b9\u30bf\u30fc\u30b5\u30fc\u30d0\u30fc\u306e1\u3064 (<span style=\"font-family: 'courier new', courier, monospace;\">*.iotcplatform[.]com<\/span>)\u306b\u300110000\u301c20000\u306e\u7bc4\u56f2\u306e\u30e9\u30f3\u30c0\u30e0\u306aUDP\u30dd\u30fc\u30c8\u3067UDP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true \">public int initIOTC()\r\n{\r\n   if(ms_nIOTCInit!=IOTCAPIs.IOTC_ER_NoERROR)\r\n   {\r\n      intport=(int)(10000 + (System.currentTimeMillis()%10000));\r\n      ms_nIOTCInit=IOTC_Initialize(port,\"50.19.254[.]134\", \"122.248.234[.]207\", \"m4.iotcplatform[.]com\", \"m5.iotcplatform[.]com\");\r\n      actMainView.setLog(\"IOTC_Initialize(.)=\"+ms_nIOTCInit+\", udpPort=\"+port);\r\n      mLanSearch();\r\n      return ms_nIOTCInit;\r\n   }\r\n   return 0;\r\n}<\/pre>\n<p><!-- [Format Time: 0.0006 seconds] --><\/p>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306b\u3042\u308b\u3088\u3046\u306b\u3001\u521d\u671f\u5316\u306b\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u30dd\u30fc\u30c8\u751f\u6210\u3068\u3001\u305d\u308c\u306b\u7d9a\u304f4\u3064\u306e\u7570\u306a\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u3046\u3061\u306e1\u3064\u3078\u306e\u63a5\u7d9a\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u30af\u30e9\u30a6\u30c9\u30bd\u30fc\u30b7\u30f3\u30b0\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u8abf\u67fb\u3057\u305f\u7d50\u679c\u3001IoT\u30c7\u30d0\u30a4\u30b9\u304cP2P\u63a5\u7d9a\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306e\u63a5\u7d9a\u5148IP\u30a2\u30c9\u30ec\u30b9\u306f14\u7a2e\u985e\u4ee5\u4e0a\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><figure id=\"attachment_122379\" aria-describedby=\"caption-attachment-122379\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-122379 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/03\/sankeymatic_20220124_114008_4000x2400-ja.png\" alt=\"\u3053\u306e\u56f3\u306f\u3042\u308b1\u53f0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u306b\u3088\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u6570\u306e\u5178\u578b\u4f8b\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u5de6\u5074\u306e\u9752\u8272\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u30c7\u30d0\u30a4\u30b9: 50\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8: 40\u3001\u30a4\u30f3\u30c8\u30e9\u30cd\u30c3\u30c8: 10\u3068\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u53f3\u5074\u306b\u306f\u8584\u3044\u9752\u3068\u30aa\u30ec\u30f3\u30b8\u3067NTP \u30b5\u30fc\u30d0\u30fc: 5\u3001DNS \u30b5\u30fc\u30d0\u30fc: 5\u3001device-api.ip-camera-vendor[.]com(TCP): 15\u3001m4.iotcplatform[.]com(UDP): 15\u3001Certificate Update Server (SSL): 10\u3068\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"900\" height=\"540\" \/><figcaption id=\"caption-attachment-122379\" class=\"wp-caption-text\">\u56f31: \u3088\u304f\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u6570\u306e\u4f8b (\u63a5\u7d9a\u6570\u306f\u4f8b\u793a\u7528)<\/figcaption><\/figure>IoT Security\u306e\u30af\u30e9\u30a6\u30c9\u30bd\u30fc\u30b7\u30f3\u30b0\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u89b3\u6e2c\u3055\u308c\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8abf\u67fb\u3057\u305f\u3068\u3053\u308d\u3001\u591a\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u304c\u524d\u8ff0\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3055\u308c\u3001\u6700\u521d\u306eP2P\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u5177\u4f53\u7684\u306a\u4f8b\u3092\u6319\u3052\u3066\u3088\u308a\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u3042\u308b\u7c73\u56fd\u30e1\u30fc\u30ab\u30fc\u304c\u88fd\u9020\u30fb\u8ca9\u58f2\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u304c\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u8a2d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u305d\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u30e1\u30fc\u30ab\u30fc\u306eAPI\u306b\u63a5\u7d9a\u3057\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u60f3\u5b9a\u5185\u306e\u63a5\u7d9a\u5148\u3067\u3059\u3002\n<ul>\n<li><strong>device-api.ip-camera-vendor[.]com<\/strong><\/li>\n<\/ul>\n<\/li>\n<li>\u3055\u3089\u306b\u540c\u3058\u30c7\u30d0\u30a4\u30b9\u304c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30de\u30b9\u30bf\u30fc\u30b5\u30fc\u30d0\u30fc\u306bUDP\u63a5\u7d9a\u3092\u884c\u3063\u3066P2P\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002\n<ul>\n<li><strong>m4.iotcplatform[.]com <\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u30c7\u30d0\u30a4\u30b9\u3092CVE-2021-28372\u306b\u305f\u3044\u3057\u3066\u8106\u5f31\u306b\u3059\u308b\u57fa\u76e4\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8abf\u67fb\u3059\u308b\u3053\u3068\u3067\u3001IoT\u30c7\u30d0\u30a4\u30b9\u5168\u4f53\u306b\u304a\u3051\u308b\u3088\u308a\u5927\u304d\u306a\u554f\u984c\u304c\u6d6e\u304d\u5f6b\u308a\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u3042\u308b\u7279\u5b9a\u30d9\u30f3\u30c0\u30fc\u304b\u3089\u8cfc\u5165\u3057\u305f\u88fd\u54c1\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3Web\u30b5\u30a4\u30c8\u3084\u6d77\u5916\u306b\u63a5\u7d9a\u3057\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u6d88\u8cbb\u8005\u306e\u6c17\u3065\u304b\u306a\u3044\u3046\u3061\u306b\u305d\u3046\u3057\u305f\u63a5\u7d9a\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u554f\u984c\u3067\u3059\u3002<\/p>\n<h2><a id=\"IoT-Supply-Chain-Increases-Attack-Surface-of-Devices\"><\/a>IoT\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306b\u3088\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u62e1\u5927<\/h2>\n<p>\u4f01\u696d\u3084\u6d88\u8cbb\u8005\u306f\u3055\u307e\u3056\u307e\u306a\u30d9\u30f3\u30c0\u30fc\u304b\u3089IoT\u30c7\u30d0\u30a4\u30b9\u3092\u8abf\u9054\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u904b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u307b\u3068\u3093\u3069\u306eIoT\u30c7\u30d0\u30a4\u30b9\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306eRTOS(\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0OS)\u3001TCP\/IP\u30b9\u30bf\u30c3\u30af\u3001\u7d44\u307f\u8fbc\u307f\u306eBluetooth\u30b9\u30bf\u30c3\u30af\u305d\u306e\u4ed6\u306eSDK\u3092\u57fa\u76e4\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u305d\u308c\u304c\u30c7\u30d0\u30a4\u30b9\u306e\u30ea\u30b9\u30af\u306b\u5f71\u97ff\u3057\u3001\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u62e1\u5927\u3055\u305b\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u8fd1\u306f\u3053\u306e\u3088\u3046\u306aIoT\u30c7\u30d0\u30a4\u30b9\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u8106\u5f31\u6027\u304c\u76f8\u6b21\u3044\u3067\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u57fa\u76e4\u306b\u5b58\u5728\u3059\u308b\u8106\u5f31\u6027\u3068\u3057\u3066\u306f\u3001\u305f\u3068\u3048\u3070\u3001Amnesia:33\u3001Ripple:20\u3001Infra:Halt\u306a\u3069\u306eTCP\/IP\u30b9\u30bf\u30c3\u30af\u306e\u8106\u5f31\u6027\u3001Nucleus:13\u306a\u3069\u306eRTOS\u306e\u8106\u5f31\u6027\u3001Sweyntooth\u3001Braktooth\u3001Bleeding Tooth\u306a\u3069\u306eBluetooth\u653b\u6483\u306f\u3001\u88fd\u9020\u3001\u5c0f\u58f2\u3001\u30d8\u30eb\u30b9\u30b1\u30a2\u306a\u3069\u3055\u307e\u3056\u307e\u306a\u696d\u7a2e\u306eIoT\u30c7\u30d0\u30a4\u30b9\u304c\u3068\u304f\u306b\u5bfe\u8c61\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_122381\" aria-describedby=\"caption-attachment-122381\" style=\"width: 580px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-122381 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/03\/Iceberg_IoT-ja.png\" alt=\"\u6c37\u5c71\u306e\u753b\u50cf\u6c37\u5c71\u306e\u6c34\u9762\u3088\u308a\u4e0a\u306b\u306f\u30d9\u30f3\u30c0\u30fc\u306e\u65e2\u77e5\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u554f\u984c\u304c\u8868\u793a\u3055\u308c\u3001\u6c34\u9762\u306e\u4e0b\u306b\u306f\u3001TCP\/IP\u30b9\u30bf\u30c3\u30af\u306e\u8106\u5f31\u6027\u3001RTOS\u95a2\u9023\u306e\u30ea\u30b9\u30af\u3001Bluetooth\u56fa\u6709\u306e\u8106\u5f31\u6027\u3001\u305d\u306e\u4ed6\u306e\u30ea\u30b9\u30af\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3002 \" width=\"580\" height=\"810\" \/><figcaption id=\"caption-attachment-122381\" class=\"wp-caption-text\">\u56f32: IoT\u30c7\u30d0\u30a4\u30b9\u306e\u57fa\u76e4\u306b\u3042\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u591a\u6570\u306e\u6df1\u523b\u306a\u8105\u5a01\u3084\u30ea\u30b9\u30af\u304c\u3072\u305d\u3080\u3002\u30d9\u30f3\u30c0\u30fc\u306e\u516c\u8868\u3059\u308b\u65e2\u77e5\u306e\u8106\u5f31\u6027\u306f\u300c\u6c37\u5c71\u306e\u4e00\u89d2\u300d\u306b\u3059\u304e\u306a\u3044<\/figcaption><\/figure>\n<p>\u56f32\u304b\u3089\u3082\u308f\u304b\u308b\u3068\u304a\u308a\u3001\u6c34\u9762\u4e0b\u306eIoT\u30c7\u30d0\u30a4\u30b9\u57fa\u76e4\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u305d\u306e\u307b\u3068\u3093\u3069\u304c\u6d88\u8cbb\u8005\u306e\u76ee\u306b\u3064\u304b\u306a\u3044\u3001\u77e5\u308b\u3053\u3068\u3082\u306a\u3044\u72b6\u614b\u306b\u3042\u308a\u307e\u3059\u3002\u30d9\u30f3\u30c0\u30fc\u306e\u516c\u8868\u3059\u308b\u65e2\u77e5\u306e\u8106\u5f31\u6027\u306f\u300c\u6c37\u5c71\u306e\u307b\u3093\u306e\u4e00\u89d2\u300d\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070\u3001\u3042\u308b\u30c7\u30d0\u30a4\u30b9\u306b\u30d9\u30f3\u30c0\u30fc\u306b\u3088\u308b\u65e2\u77e5\u306e\u8106\u5f31\u6027\u304c\u306a\u3051\u308c\u3070\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u305d\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u5b89\u5168\u3068\u5224\u65ad\u3059\u308b\u3067\u3057\u3087\u3046\u3002\u3068\u3053\u308d\u304c\u4eca\u56deThroughTek Kalay SDK\u95a2\u9023\u306eCVE\u3067\u308f\u304b\u3063\u305f\u3088\u3046\u306b\u3001\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3084\u63a5\u7d9a\u3092\u76e3\u8996\u3057\u306a\u3051\u308c\u3070\u5206\u304b\u3089\u306a\u3044\u6df1\u3044\u554f\u984c\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u3046\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30c7\u30d0\u30a4\u30b9\u306e\u5168\u822c\u7684\u6a5f\u80fd\u306b\u8ca2\u732e\u3059\u308b\u4e00\u65b9\u3067\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30bf\u30fc\u306b\u653b\u6483\u3055\u308c\u308b\u53ef\u80fd\u6027\u3092\u9ad8\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30ea\u30b9\u30af\u306b\u3055\u3089\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"Proactively-Secure-IoT-Devices\"><\/a>\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306fIoT\u30c7\u30d0\u30a4\u30b9\u306e\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n<p>\u62e1\u5927\u3057\u7d9a\u3051\u308bIoT\u653b\u6483\u5bfe\u8c61\u9818\u57df\u306e\u4fdd\u8b77\u306b\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u9069\u5207\u306a\u53ef\u8996\u5316\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u306e\u5185\u5bb9\u628a\u63e1\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u632f\u308b\u821e\u3044\u76e3\u8996\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u5728\u30ea\u30b9\u30af\u306e\u7a4d\u6975\u7684\u30e6\u30fc\u30b6\u30fc\u901a\u77e5\u306a\u3069\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u5f79\u7acb\u3064\u306e\u304cIoT\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u3002\u7d44\u7e54\u306f\u3001\u793e\u5185\u30c7\u30d0\u30a4\u30b9\u306e\u8106\u5f31\u6027\u304c\u30d9\u30f3\u30c0\u30fc\u7531\u6765\u3067\u3042\u308c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u7d44\u307f\u8fbc\u307f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7531\u6765\u3067\u3042\u308c\u3001\u304b\u308f\u308a\u306a\u304f\u7279\u5b9a\u3067\u304d\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u6c42\u3081\u306d\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070\u3001\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u5148(\u7279\u306bIoTC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0)\u9593\u3067\u89b3\u6e2c\u3055\u308c\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u57fa\u3065\u304d\u3001\u8106\u5f31\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u308b\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u3001IoT\u30c7\u30d0\u30a4\u30b9\u306e\u540c\u69d8\u306e\u8106\u5f31\u6027\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001IoT\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304c\u63d0\u4f9b\u3059\u3079\u304d\u4e3b\u306a\u6a5f\u80fd\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u6b63\u78ba\u306a\u767a\u898b\u3068\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u4f5c\u6210<\/strong>: \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u3001IoT \u30c7\u30d0\u30a4\u30b9\u306e\u8fc5\u901f\u306a\u767a\u898b\u3001\u5b58\u5728\u5834\u6240\u306e\u7279\u5b9a\u3001\u5229\u7528\u72b6\u6cc1\u306e\u8a55\u4fa1\u3092\u884c\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d9\u30f3\u30c0\u30fc\u3001\u30e2\u30c7\u30eb\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306b\u81f3\u308b\u307e\u3067\u3001\u6b63\u78ba\u306b\u30c7\u30d0\u30a4\u30b9\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u306f\u3001\u305d\u306e\u5f8c\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u5305\u62ec\u7684\u306a\u30ea\u30b9\u30af\u8a55\u4fa1<\/strong>: \u5305\u62ec\u7684\u306a\u30ea\u30b9\u30af\u8a55\u4fa1\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8105\u5a01\u3084\u8106\u5f31\u6027\u3092\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u767a\u898b\u3067\u304d\u307e\u3059\u3002\u6a5f\u68b0\u5b66\u7fd2\u99c6\u52d5\u578b\u306e\u77e5\u898b\u3092\u63d0\u4f9b\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u632f\u308b\u821e\u3044\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u78ba\u7acb\u3057\u3001\u6df1\u3044\u30ea\u30b9\u30af\u8a55\u4fa1\u306e\u63d0\u4f9b\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u8105\u5a01\u6307\u6a19(\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u7570\u5e38\u306a\u63a5\u7d9a\u3084\u60aa\u610f\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u306a\u3069)\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u307e\u305f\u3053\u308c\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3001\u30a2\u30d7\u30ea\u3001\u30c7\u30d0\u30a4\u30b9\u3001\u53e4\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u306a\u3069\u306e\u554f\u984c\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3082\u610f\u5473\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001CVE\u3092\u76e3\u8996\u3057\u3001\u305d\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u8a55\u4fa1\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002\u6700\u5f8c\u306b\u3001Qualys\u3001Rapid 7\u3001Tenable\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u8106\u5f31\u6027\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u7d71\u5408\u306b\u3088\u308b\u6a5f\u80fd\u62e1\u5f35\u3067\u30ea\u30b9\u30af\u8a55\u4fa1\u6226\u7565\u3092\u5f37\u5316\u3059\u308b\u3068\u3001IoT\u30c7\u30d0\u30a4\u30b9\u306e\u3055\u3089\u306a\u308b\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30ea\u30b9\u30af\u4f4e\u6e1b\u30dd\u30ea\u30b7\u30fc\u306e\u9069\u7528<\/strong>: IoT\u306e\u30ea\u30b9\u30af\u3092\u7a4d\u6975\u7684\u306b\u4f4e\u6e1b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30ea\u30b9\u30af\u76e3\u8996\u3001\u30ec\u30dd\u30fc\u30c8\u3001\u30a2\u30e9\u30fc\u30c8\u304c\u91cd\u8981\u3067\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3068\u632f\u308b\u821e\u3044\u3092\u4e00\u8cab\u3057\u3066\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u30ea\u30b9\u30af\u30d9\u30fc\u30b9\u306e\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u30dd\u30ea\u30b7\u30fc\u52e7\u544a\u306b\u6b63\u78ba\u306b\u5909\u63db\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u4fe1\u983c\u306e\u304a\u3051\u308b\u632f\u308b\u821e\u3044\u306e\u307f\u3092\u81ea\u4fe1\u3092\u6301\u3063\u3066\u8a31\u53ef\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u7e2e\u5c0f\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u8105\u5a01\u306e\u9632\u6b62<\/strong>: \u7d44\u307f\u8fbc\u307f\u306e\u9632\u6b62\u6a5f\u80fd\u306f\u3001\u65e2\u77e5\u306e\u6a19\u7684\u578bIoT\u30de\u30eb\u30a6\u30a7\u30a2\u3001\u30b9\u30d1\u30a4\u30a6\u30a7\u30a2\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001C2\u3078\u306eDNS\u306e\u5229\u7528\u3092\u9632\u6b62\u3057\u3001\u4e0d\u6b63URL\u3084\u60aa\u610f\u306e\u3042\u308bWeb\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u906e\u65ad\u3057\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u306e\u6f0f\u51fa\u3092\u9632\u6b62\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2><a id=\"Conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3084\u76e3\u8996\u88c5\u7f6e\u304cP2P\u63a5\u7d9a\u6a5f\u80fd\u306e\u63d0\u4f9b\u306b\u3053\u306e\u7279\u5b9a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3SDK\u3092\u3069\u3046\u3044\u3046\u304b\u305f\u3061\u3067\u5229\u7528\u3057\u3066\u3044\u308b\u304b\u3092\u8003\u3048\u308c\u3070\u3001\u6700\u8fd1\u767a\u898b\u3055\u308c\u305fThroughTek Kalay P2P SDK\u306e\u8106\u5f31\u6027\u306f\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3064\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6790\u3057\u305f\u7d50\u679c\u3001\u5927\u624b\u30d9\u30f3\u30c0\u30fc\u306e\u306a\u304b\u306b\u3082\u3053\u306e\u7279\u5b9aSDK\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u3042\u308a\u3001\u305d\u3046\u3057\u305f\u30d9\u30f3\u30c0\u30fc\u306e\u88fd\u9020\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u3092\u8106\u5f31\u306b\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u3068\u3053\u308d\u304c\u3001\u3053\u306e\u7a2e\u306e\u8106\u5f31\u6027\u306f\u30c7\u30d0\u30a4\u30b9\u7d44\u307f\u8fbc\u307f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4e00\u90e8\u3067\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3084\u57fa\u76e4\u306b\u3072\u305d\u3080\u8106\u5f31\u6027\u304c\u6d88\u8cbb\u8005\u306b\u5468\u77e5\u3055\u308c\u306a\u3044\u3053\u3068\u3082\u3057\u3070\u3057\u3070\u3067\u3059\u3002<\/p>\n<p>\u6700\u8fd1\u306fIoT\u30c7\u30d0\u30a4\u30b9\u306e\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3055\u307e\u3056\u307e\u306a\u8106\u5f31\u6027\u304c\u8868\u9762\u5316\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u3001\u3053\u306e\u554f\u984c\u306f\u3055\u3089\u306b\u6df1\u523b\u306a\u3082\u306e\u3068\u306a\u3063\u3066\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u304a\u5ba2\u69d8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30c7\u30d0\u30a4\u30b9\u3084\u305d\u308c\u3089\u304c\u751f\u6210\u3059\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u305d\u308c\u306b\u95a2\u9023\u3059\u308b\u6839\u672c\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u5b8c\u5168\u306b\u53ef\u8996\u5316\u3059\u308b\u3053\u3068\u304c\u3001\u3088\u308a\u4e00\u5c64\u4e0d\u53ef\u6b20\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n<p>\u5f0a\u793e\u306e<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/iot-security\">IoT 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id=\"Additional-Resources\"><\/a>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/h2>\n<ul>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/iot-supply-chain\/\">IoT\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306e\u30ea\u30b9\u30af<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/infusion-pump-vulnerabilities\/\">\u533b\u7642\u6a5f\u95a2\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092: \u8abf\u67fb\u5bfe\u8c61\u8f38\u6db2\u30dd\u30f3\u30d7\u306e75%\u306b\u8106\u5f31\u6027\u304b\u30a2\u30e9\u30fc\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/iot-threat-report-2020\/\">2020\u5e74 Unit 42 IoT \u8105\u5a01\u30ec\u30dd\u30fc\u30c8<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u6700\u8fd1\u3001\u7d44\u307f\u8fbc\u307fP2P\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u30ad\u30c3\u30c8\u306eThroughTek 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property=\"article:published_time\" content=\"2022-03-17T19:00:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/02_Vulnerabilities_1920x900.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jun Du, Aveek Das, Sultan Omurzakov\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"CVE-2021-28372: \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30c6\u30af\u30ce\u30ed\u30b8\u306b\u3072\u305d\u3080\u8106\u5f31\u6027 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