{"id":101536,"date":"2019-11-27T00:20:29","date_gmt":"2019-11-27T08:20:29","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=101536\/"},"modified":"2019-11-27T00:20:29","modified_gmt":"2019-11-27T08:20:29","slug":"server-side-request-forgery-exposes-data-of-technology-industrial-and-media-organizations","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/server-side-request-forgery-exposes-data-of-technology-industrial-and-media-organizations\/","title":{"rendered":"SSRF\u8106\u5f31\u6027\u5f71\u97ff\u8abf\u67fb: \u30c7\u30fc\u30bf\u9732\u51fa\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30bb\u30af\u30bf\u306b\u306f\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30fb\u7523\u696d\u30fb\u30e1\u30c7\u30a3\u30a2\u306a\u3069"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p><a 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href=\"https:\/\/docs.atlassian.com\/software\/jira\/docs\/api\/7.1.1\/com\/atlassian\/jira\/dashboard\/JiraWhitelist.html\">JiraWhiteList<\/a>\u30af\u30e9\u30b9\u306b\u8ad6\u7406\u30a8\u30e9\u30fc\u304c\u3042\u308a\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u6587\u5b57\u5217\u306b\u542b\u307e\u308c\u308b\u300c@\u300d\u8a18\u53f7\u304c\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u691c\u8a3c\u3092\u30d0\u30a4\u30d1\u30b9\u3067\u304d\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002\u3064\u307e\u308a\u3001http:\/\/vulnerablehost.com\/plugins\/servlet\/gadgets\/makeRequest?url=http:\/\/vulnerablehost.com@http:\/\/targethost.com\u306b\u9001\u4fe1\u3055\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001targethost.com\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u3053\u306e\u8ad6\u7406\u30a8\u30e9\u30fc\u3092\u60aa\u7528\u3059\u308c\u3070\u3001\u8106\u5f31\u306a\u30b5\u30fc\u30d0\u30fc\u306e\u5230\u9054\u7bc4\u56f2\u5185\u306b\u3042\u308b\u4efb\u610f\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u306bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><strong>\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI<\/strong><\/h3>\n<p>\u307b\u3068\u3093\u3069\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0(CSP)\u306f\u3001\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u3068\u306f\u3001VM\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u3001\u305d\u306eVM\u306b\u3064\u3044\u3066\u306e\u60c5\u5831\u3092\u5f97\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3001\u3053\u308c\u306b\u3088\u3063\u3066\u30d7\u30ed\u30bb\u30b9\u306f\u81ea\u8eab\u306e\u5b9f\u884c\u74b0\u5883\u3092\u628a\u63e1\u3057\u3001\u5b9f\u884c\u74b0\u5883\u306b\u5fdc\u3058\u305f\u69cb\u6210\u5909\u66f4\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u304b\u3089\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9ID\u3001\u30a4\u30e1\u30fc\u30b8ID\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\/\u30d1\u30d6\u30ea\u30c3\u30afIP\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u306a\u3069\u306e\u60c5\u5831\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u307b\u304b\u3001VM\u306e\u8d77\u52d5\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u3082\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u30b5\u30fc\u30d3\u30b9\u306b\u914d\u7f6e\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u4e00\u306e\u30a4\u30e1\u30fc\u30b8\u304b\u3089\u305d\u308c\u305e\u308c\u306b\u8a2d\u5b9a\u306e\u7570\u306a\u308b\u8907\u6570\u306eVM\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002CSP\u306b\u3088\u3063\u3066\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u52d5\u7684\u306a\u30c7\u30fc\u30bf\u3092\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u306b\u66f8\u304d\u8fbc\u307f\u3001\u305d\u308c\u3092\u4e00\u6642\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u306fVM\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5185\u304b\u3089\u306e\u307f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3001\u30db\u30b9\u30c8\u5916\u306b\u516c\u958b\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306eAPI\u306b\u306f\u3069\u3093\u306a\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u3092\u5272\u308a\u5f53\u3066\u3066\u3082\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306eCSP\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u4e0d\u53ef\u306e(<a href=\"https:\/\/tools.ietf.org\/html\/rfc3927\">\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u306a<\/a>) IP\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308b169.254.169[.]254\u3092\u5272\u308a\u5f53\u3066\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u3001AWS EC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4e0a\u3067curl\u30b3\u30de\u30f3\u30c9\u3092\u767a\u884c\u3057\u3001\u305d\u306e\u30ed\u30fc\u30eb\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a8d\u8a3c\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059(\u56f31\u53c2\u7167)\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">curl<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">http:\/\/169.254.169[.]254\/latest\/meta-data\/iam\/security-credentia<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">ls\/role-name<\/span><\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u3068\u30d7\u30ed\u30bb\u30b9\u306b\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u3078\u306e\u5b8c\u5168\u306a\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u89b3\u6e2c\u3067\u78ba\u8a8d\u3067\u304d\u305f\u8208\u5473\u6df1\u3044\u5185\u5bb9\u306e\u3072\u3068\u3064\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3(Docker\u3001Kubernetes\u3001ECS\u3001EKS\u306a\u3069)\u3082\u3001\u30db\u30b9\u30c8\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u7c21\u5358\u306b\u30db\u30b9\u30c8\u5074\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u4fbf\u5229\u306a\u53cd\u9762\u30ea\u30b9\u30af\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u306f\u3001\u30db\u30b9\u30c8\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u306b\u30af\u30a8\u30ea\u3092\u767a\u884c\u3057\u3001\u6dfb\u4ed8\u3057\u305f\u8a8d\u8a3c\u60c5\u5831\u3092\u4f7f\u7528\u3057\u3066S3\u3084RDS\u306a\u3069\u307b\u304b\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3057\u3001\u30db\u30b9\u30c8\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u5074\u3082\u3001\u30b3\u30f3\u30c6\u30ca\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30db\u30b9\u30c8\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u300c\u8131\u51fa\u7d4c\u8def\u300d\u3092\u7528\u610f\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u3064\u307e\u308a\u30b3\u30f3\u30c6\u30ca\u304c\u4fb5\u5bb3\u3055\u308c\u308c\u3070\u3001\u653b\u6483\u8005\u306f\u3053\u306e\u7d4c\u8def\u3092\u60aa\u7528\u3057\u3066\u30af\u30e9\u30a6\u30c9\u5185\u30db\u30b9\u30c8\u305d\u306e\u307b\u304b\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4fb5\u5bb3\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3059\u3002\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u516c\u958b\u305b\u305a\u3068\u3082\u30db\u30b9\u30c8-\u30b3\u30f3\u30c6\u30ca\u9593\u3067\u30c7\u30fc\u30bf\u3092\u5171\u6709\u3059\u308b\u3059\u3079\u306f\u307b\u304b\u306b\u3082\u3042\u308a\u307e\u3059\u304b\u3089\u3001\u3053\u306e\u5229\u4fbf\u6027\u306f\u5b9f\u306f\u6f5c\u5728\u30ea\u30b9\u30af\u306b\u898b\u5408\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<figure id=\"attachment_101539\" aria-describedby=\"caption-attachment-101539\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/Figure-1.-Retrieving-credentials-from-metadata-API.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-101539 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-244.png\" alt=\"\u56f31 \u30e1\u30bf\u30c7\u30fc\u30bfAPI\u304b\u3089\u8a8d\u8a3c\u60c5\u5831\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u3068\u3053\u308d\" width=\"1024\" height=\"199\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-244.png 1024w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-244-300x58.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-244-768x149.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-244-900x175.png 900w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-244-370x72.png 370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-101539\" class=\"wp-caption-text\">\u56f31 \u30e1\u30bf\u30c7\u30fc\u30bfAPI\u304b\u3089\u8a8d\u8a3c\u60c5\u5831\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u3055\u3066\u3001\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u30b5\u30fc\u30d3\u30b9\u306f\u901a\u5e38\u306a\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u76f4\u63a5\u516c\u958b\u3055\u308c\u308b\u3053\u3068\u306f\u306a\u3044\u308f\u3051\u3067\u3059\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u5411\u3051\u3089\u308c\u305f\u8106\u5f31\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308c\u3070\u3001\u9593\u63a5\u7684\u306b\u306f\u516c\u958b\u3055\u308c\u3066\u3057\u307e\u3046\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308aSSRF\u8106\u5f31\u6027\u306e\u5b58\u5728\u306f\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u30b5\u30fc\u30d3\u30b9\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5168\u4f53\u306b\u6652\u3059\u3053\u3068\u306b\u7b49\u3057\u3044\u306e\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9732\u51fa\u3057\u305f\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u540c\u3058\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30af\u30e9\u30a6\u30c9(VPC)\u5185\u306e\u307b\u304b\u306e\u30db\u30b9\u30c8\u304c\u3055\u3089\u306b\u4fb5\u5bb3\u3055\u308c\u305f\u308a\u3001\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u5168\u4f53\u304c\u4e57\u3063\u53d6\u3068\u3089\u308c\u3066\u3057\u307e\u3046\u304a\u305d\u308c\u3055\u3048\u3042\u308a\u307e\u3059\u3002\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30e1\u30bf\u30c7\u30fc\u30bf\u3068\u305d\u306e\u5f71\u97ff\u306e\u4f8b\u3068\u3057\u3066\u306f\u3001\u6b21\u306e\u5185\u5bb9\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>IAM\u306e\u8a8d\u8a3c\u60c5\u5831<\/strong>: \u3053\u306e\u60c5\u5831\u306fS3\u30d0\u30b1\u30c3\u30c8\u3084\u30b3\u30f3\u30c6\u30ca\u30ec\u30b8\u30b9\u30c8\u30ea\u306a\u3069\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5bfe\u8c61\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u7ba1\u7406\u8005\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u7d10\u4ed8\u3051\u3089\u308c\u3066\u3044\u305f\u308a\u3001\u305d\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u904e\u5270\u306a\u7279\u6a29\u3092\u4ed8\u4e0e\u3055\u308c\u3066\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u653b\u6483\u8005\u304c\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u5168\u4f53\u3092\u4fb5\u5bb3\u3057\u3066\u3057\u307e\u3046\u304a\u305d\u308c\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf<\/strong>: \u30e1\u30bf\u30c7\u30fc\u30bf\u5185\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6307\u5b9a\u3057\u305f\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u901a\u5e38\u3001VM\u306e\u8d77\u52d5\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u3082\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5f53\u8a72VM\u304c\u30a2\u30af\u30bb\u30b9\u3057\u3046\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u69cb\u6210\u3084VM\u69cb\u6210\u306a\u3069\u306e\u30af\u30e9\u30a6\u30c9\u30ea\u30bd\u30fc\u30b9\u304c\u9732\u51fa\u3057\u304b\u306d\u307e\u305b\u3093\u3002\u3053\u3046\u3057\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u5185\u306b\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3055\u308c\u305f\u8a8d\u8a3c\u60c5\u5831\u304c\u898b\u3064\u304b\u308b\u3053\u3068\u3082\u73cd\u3057\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li><strong>VM\u306e\u30a4\u30e1\u30fc\u30b8ID<\/strong>: \u305d\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u306f\u5f53\u8a72VM\u3092\u7cbe\u67fb\u3057\u3066\u4fb5\u5bb3\u6226\u7565\u3092\u7acb\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210<\/strong>: VM\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u3001\u30d1\u30d6\u30ea\u30c3\u30afIP\u3001MAC\u3001\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8\u540d\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u3001VPC\u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u60c5\u5831\u304c\u9732\u51fa\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u306e\u60aa\u7528\u3092\u9632\u3050\u305f\u3081\u3001\u4e00\u90e8\u306eCSP\u306f\u30e1\u30bf\u30c7\u30fc\u30bf\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u7279\u5225\u306a\u30d8\u30c3\u30c0\u3092\u3064\u3051\u308b\u3053\u3068\u3092\u8981\u4ef6\u3068\u3057\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070Azure VM\u306e\u5834\u5408\u3001\u300cMetadata: True\u300d\u3068\u3044\u3046\u30d8\u30c3\u30c0\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3057\u3001Google Compute Engine\u3067\u3042\u308c\u3070\u300cMetadata-Flavor: Google\u300d\u3068\u3044\u3046\u30d8\u30c3\u30c0\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u8981\u6c42\u3055\u308c\u305f\u30d8\u30c3\u30c0\u306e\u306a\u3044HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u62d2\u5426\u3055\u308c\u307e\u3059\u3002\u653b\u6483\u8005\u306b\u306f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d8\u30c3\u30c0\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u3053\u3046\u3057\u305f\u30d8\u30c3\u30c0\u3092\u9069\u7528\u3059\u308c\u3070SSRF\u306b\u3088\u308b\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u30a2\u30af\u30bb\u30b9\u306f\u3046\u307e\u304f\u963b\u6b62\u3067\u304d\u307e\u3059\u3002\u88681\u306f\u3001\u8abf\u67fb\u5bfe\u8c61\u306e6\u3064\u306eCSP\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u3092\u6bd4\u8f03\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_101541\" aria-describedby=\"caption-attachment-101541\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-101541 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-245.png\" alt=\"\u88681 \u3055\u307e\u3056\u307e\u306aCSP\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u30b5\u30fc\u30d3\u30b9 *GCP\u306f\u30e1\u30bf\u30c7\u30fc\u30bfAPI V1\u4ee5\u964d\u3067\u30d8\u30c3\u30c0\u8981\u6c42\u306e\u5f37\u5236\u3092\u958b\u59cb\" width=\"1024\" height=\"447\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-245.png 1024w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-245-300x131.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-245-768x335.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-245-900x393.png 900w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-245-370x162.png 370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-101541\" class=\"wp-caption-text\">\u88681 \u3055\u307e\u3056\u307e\u306aCSP\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u30b5\u30fc\u30d3\u30b9\u3002GCP\u306f\u30e1\u30bf\u30c7\u30fc\u30bfAPI V1\u4ee5\u964d\u3067\u30d8\u30c3\u30c0\u8981\u6c42\u306e\u5f37\u5236\u3092\u958b\u59cb\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\n<h3><strong>\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306b\u304a\u3051\u308bCVE-2019-8451\u306e\u5f71\u97ff<\/strong><\/h3>\n<p>\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306b\u304a\u3051\u308bSSRF\u306e\u5b9f\u969b\u7684\u306a\u5f71\u97ff\u3092\u77e5\u308a\u305f\u3051\u308c\u3070\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306b\u5e83\u304f\u5c55\u958b\u3055\u308c\u3066\u3044\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u65e2\u77e5\u306eSSRF\u8106\u5f31\u6027\u3092\u6301\u3064\u3082\u306e\u3092\u898b\u3064\u3051\u306a\u3051\u308c\u3070\u306a\u308a\u305b\u3093\u3002\u305d\u3053\u3067\u79c1\u305f\u3061\u306e\u76ee\u3092\u5f15\u3044\u305f\u306e\u304c\u30012019\u5e748\u6708\u306b\u767a\u898b\u3055\u308c\u305f\u8a8d\u8a3c\u306a\u3057\u3067\u60aa\u7528\u53ef\u80fd\u306a<a href=\"https:\/\/www.atlassian.com\/software\/jira\">Jira<\/a>\u306eSSRF\u8106\u5f31\u6027<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2019-8451\">CVE-2019-8451<\/a>\u3067\u3057\u305f\u3002\u3053\u306e\u30d1\u30c3\u30c1\u306f\u3059\u3050\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u304c\u3001Jira\u306e\u3088\u3046\u306b\u30d3\u30b8\u30cd\u30b9\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u5bc6\u63a5\u306b\u95a2\u9023\u3057\u3066\u3044\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u5373\u5ea7\u306b\u66f4\u65b0\u3055\u308c\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u3082\u3001\u696d\u52d9\u3092\u4e2d\u65ad\u3059\u308b\u3088\u308a\u30d1\u30c3\u30c1\u9069\u7528\u3092\u9045\u3089\u305b\u305f\u304c\u308b\u306e\u3067\u3059\u3002<a href=\"https:\/\/www.shodan.io\/\">Shodan<\/a>\u691c\u7d22\u3057\u305f\u3068\u3053\u308d\u3001\u73fe\u72b6\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u306f\u7d0425,000\u500b\u306eJira\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u6b21\u306b\u3001Jira\u30c7\u30d7\u30ed\u30a4\u6570\u304c\u6700\u3082\u591a\u30446\u3064\u306eCSP\u3092\u9078\u629e\u3057\u3066\u8abf\u67fb\u3092\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002\u8abf\u67fb\u76ee\u6a19\u306f\u300c\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306b\u5b58\u5728\u3059\u308bCVE-2019-8451\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306aJira\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u6570\u300d\u3001\u300c\u305d\u308c\u3089Jira\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u300d\u3001\u300c\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u9732\u51fa\u3057\u3066\u3044\u308b\u30db\u30b9\u30c8\u306e\u6570\u300d\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3057\u305f\u3002\u8abf\u67fb\u306e\u7d50\u679c\u30016\u3064\u306e\u30d1\u30d6\u30ea\u30c3\u30afCSP\u30677,002\u500b\u306eJira\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002\u56f32\u306f\u305d\u308c\u305e\u308c\u306eJira\u30d0\u30fc\u30b8\u30e7\u30f3\u5206\u5e03\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_101543\" aria-describedby=\"caption-attachment-101543\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/Figure-2.-The-Jira-versions-exposed-in-public-cloud.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-101543 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-246.png\" alt=\"\u56f32 \u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308bJira\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\" width=\"1024\" height=\"411\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-246.png 1024w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-246-300x120.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-246-768x308.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-246-900x361.png 900w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-246-370x149.png 370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-101543\" class=\"wp-caption-text\">\u56f32 \u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u308bJira\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/figcaption><\/figure>\n<p>CVE-2019-8451\u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30c1\u304c\u6700\u521d\u306b\u9069\u7528\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u304c8.4\u3067\u3042\u308b\u3053\u3068\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u56f32\u306eJira\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e80\uff05\u304c8.4\u672a\u6e80\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u306a\u3044\u9650\u308a\u3053\u308c\u3089\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u8106\u5f31\u6027\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u307e\u305f\u79c1\u305f\u3061\u304c\u30b9\u30ad\u30e3\u30f3\u3057\u305f\u7d50\u679c\u304b\u3089\u306f\u30017,002\u500b\u306eJira\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u3046\u3061\u300145%\u306b\u3042\u305f\u308b3,152\u500b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u8106\u5f31\u6027\u304c\u3042\u308b\u3053\u3068\u3082\u308f\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u56f33\u306f\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044Jira\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u4e0a\u4f4d10\u4f4d\u307e\u3067\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u30023,152\u500b\u306e\u8106\u5f31\u306aJira\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u3046\u3061\u300156%\u306b\u3042\u305f\u308b1,779\u500b\u304c\u30db\u30b9\u30c8\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u9732\u51fa\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u88682\u306f\u3001\u3059\u3079\u3066\u306eCSP\u306e\u7d71\u8a08\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002DigitalOcean\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u9732\u51fa\u5272\u5408\u304c\u6700\u3082\u9ad8\u304f(93\uff05)\u3001\u6b21\u70b9\u304cGoogle Cloud\u306e\u30e6\u30fc\u30b6\u30fc(80\uff05)\u3001\u305d\u306e\u5f8c\u306fAlibaba\u306e\u30e6\u30fc\u30b6\u30fc(71\uff05)\u3001AWS\u306e\u30e6\u30fc\u30b6\u30fc(68\uff05)\u3001Hetzner\u306e\u30e6\u30fc\u30b6\u30fc(21\uff05)\u3068\u7d9a\u304d\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bf\u30c7\u30fc\u30bf\u9732\u51fa\u306e\u306a\u3044\u552f\u4e00\u306eCSP\u304cMicrosoft Azure\u3067\u3059\u3002Microsoft Azure\u3067\u306f\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u306b\u3064\u3044\u3066\u5148\u306b\u8ff0\u3079\u305f\u30d8\u30c3\u30c0\u304c\u53b3\u5bc6\u306b\u8981\u6c42\u3055\u308c\u308b\u306e\u3067\u3001\u3059\u3079\u3066\u306eSSRF\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5b9f\u8cea\u4e0a\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002GCP\u306e\u5834\u5408\u3001\u6700\u65b0\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI (V1)\u3067\u3042\u308c\u3070\u30d8\u30c3\u30c0\u8981\u4ef6\u306f\u5f37\u5236\u3067\u3059\u304c\u3001\u30ec\u30ac\u30b7\u30fcAPI\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8(v0.1\u304a\u3088\u3073v1beta1)\u304c\u660e\u793a\u7684\u306b\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u304e\u308a\u3001\u653b\u6483\u8005\u306f\u30ec\u30ac\u30b7\u30fcAPI\u7d4c\u7531\u3067\u307b\u307c\u3059\u3079\u3066\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_101545\" aria-describedby=\"caption-attachment-101545\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/Figure-3.-The-top-10-Jira-versions-vulnerable-to-CVE-2019-8451.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-101545 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-247.png\" alt=\"\u56f33 CVE-2019-8451\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306aJira\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u4e0a\u4f4d10\u4f4d\u307e\u3067\" width=\"1024\" height=\"633\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-247.png 1024w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-247-300x185.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-247-768x475.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-247-900x556.png 900w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-247-370x229.png 370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-101545\" class=\"wp-caption-text\">\u56f33 CVE-2019-8451\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306aJira\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u4e0a\u4f4d10\u4f4d\u307e\u3067<\/figcaption><\/figure>\n<figure id=\"attachment_101547\" aria-describedby=\"caption-attachment-101547\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-101547 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-248.png\" alt=\"\u88682 \u8106\u5f31\u6027\u306e\u3042\u308b\u30db\u30b9\u30c8\u306e\u6570\u3068\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u9732\u51fa\" width=\"1024\" height=\"291\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-248.png 1024w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-248-300x85.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-248-768x218.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-248-900x256.png 900w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/11\/word-image-248-370x105.png 370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-101547\" class=\"wp-caption-text\">\u88682 \u8106\u5f31\u6027\u306e\u3042\u308b\u30db\u30b9\u30c8\u306e\u6570\u3068\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u9732\u51fa<\/figcaption><\/figure>\n<p>\u56f33\u304b\u3089\u306f\u4e88\u671f\u305b\u306c\u77e5\u898b\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002\u305d\u306e1\u3064\u304c\u3001\u4e0a\u4f4d10\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u542b\u307e\u308c\u308b2\u3064\u306e\u30d0\u30fc\u30b8\u30e7\u30f3v7.3.6\u3068v6.3.6\u304c\u3001Jira\u306e<a href=\"https:\/\/jira.atlassian.com\/browse\/JRASERVER-69793\">\u516c\u958b<\/a>\u3057\u3066\u3044\u308b\u8106\u5f31\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u3059\u3002<a href=\"https:\/\/jira.atlassian.com\/browse\/JRASERVER-69793\">Jira\u306e\u30d0\u30b0\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/a>\u3068<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2019-8451\">NVD<\/a>\u306b\u3088\u308c\u3070\u3001\u300cCVE-2019-8451\u306fv7.6\u3067\u521d\u3081\u3066\u5c0e\u5165\u3055\u308c\u3001v8.4\u3067\u4fee\u6b63\u3055\u308c\u305f\u300d\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u30b9\u30ad\u30e3\u30f3\u7d50\u679c\u304b\u3089\u306f\u3001\u4e0a\u8a18\u5bfe\u8c61\u4ee5\u5916\u306e\u591a\u304f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3082\u8106\u5f31\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u305f\u306e\u3067\u3059\u3002\u305d\u3053\u3067\u79c1\u305f\u3061\u306f\u5f53\u8a72\u8106\u5f31\u6027\u306b\u3088\u308b\u5b9f\u969b\u306e\u5f71\u97ff\u3092\u8abf\u3079\u308b\u305f\u3081\u306b\u3001SSRF\u3092\u5f15\u304d\u8d77\u3053\u3059\u8106\u5f31\u6027\u3092\u3082\u3064\u30af\u30e9\u30b9<a href=\"https:\/\/docs.atlassian.com\/software\/jira\/docs\/api\/7.1.1\/com\/atlassian\/jira\/dashboard\/JiraWhitelist.html\">JiraWhiteList<\/a>\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u30e1\u30bd\u30c3\u30c9\u30921\u3064\u3057\u304b\u3082\u305f\u306a\u3044\u3053\u306e\u30b7\u30f3\u30d7\u30eb\u306aJava\u30af\u30e9\u30b9\u306f\u3001Jira\u306bv4.3\u304b\u3089\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e<a href=\"https:\/\/www.atlassian.com\/software\/jira\/download-archives\">\u30ec\u30ac\u30b7\u30fcJira<\/a>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8abf\u67fb\u3092\u9032\u3081\u305f\u7d50\u679c\u3001\u672c\u8106\u5f31\u6027\u306f\u30018\u5e74\u4ee5\u4e0a\u524d\u306e2011\u5e743\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f34.3\u307e\u3067\u9061\u3063\u3066\u5b9f\u969b\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f(\u8a33\u6ce8: \u305f\u3060\u3057\u8106\u5f31\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306f2019\u5e7411\u6708\u672b\u306b\u30b5\u30dd\u30fc\u30c8\u3092\u7d42\u4e86\u3057\u3066\u3044\u307e\u3059)\u3002<\/p>\n<h3><strong>\u7de9\u548c\u7b56\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/h3>\n<p>SSRF\u8106\u5f31\u6027\u306e\u6839\u672c\u7684\u8981\u56e0\u306f\u9069\u5207\u306a\u5165\u529b\u30b5\u30cb\u30bf\u30a4\u30ba\u304c\u884c\u308f\u308c\u306a\u3044\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u958b\u767a\u8005\u304c\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u306e\u5f62\u5f0f\u3068\u30d1\u30bf\u30fc\u30f3\u3092\u53b3\u5bc6\u306b\u691c\u8a3c\u3057\u3066\u304b\u3089\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306b\u6e21\u3055\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u3053\u3067\u306fweb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u7ba1\u7406\u306e\u307f\u3092\u884c\u3046\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u5411\u3051\u306b\u3001SSRF\u306e\u5f71\u97ff\u7de9\u548c\u3067\u63a8\u5968\u3055\u308c\u308b\u4fdd\u8b77\u5bfe\u7b56\u306e\u4e00\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30c9\u30e1\u30a4\u30f3\u306e\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u767b\u9332<\/strong>: \u307b\u3068\u3093\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u901a\u4fe1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306a\u3069\u3001\u3054\u304f\u4e00\u63e1\u308a\u306e\u9650\u3089\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u3060\u3051\u3067\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u901a\u4fe1\u3067\u304d\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u767b\u9332\u3092\u5f37\u5236\u3059\u308c\u3070\u3001\u653b\u6483\u8005\u304c\u6a19\u7684\u306b\u3067\u304d\u308b\u30b5\u30fc\u30d3\u30b9\u306f\u5927\u5e45\u306b\u6e1b\u3089\u305b\u307e\u3059\u3002<\/li>\n<li><strong>\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>: \u540c\u3058\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u3042\u308b\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u3067\u5225\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fe1\u983c\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002SSRF\u306f\u6a19\u7684\u3068\u306a\u3063\u305f\u30b5\u30fc\u30d3\u30b9\u306b\u8a8d\u8a3c\u304c\u8981\u6c42\u3055\u308c\u308c\u3070\u5931\u6557\u3057\u307e\u3059\u306e\u3067\u3001\u3059\u3079\u3066\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb(WAF)<\/strong>: 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href=\"https:\/\/www.digitalocean.com\/community\/questions\/how-can-i-disable-the-metadata-api-on-my-droplet\">\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u30b5\u30fc\u30d3\u30b9\u3092\u3092\u7121\u52b9\u5316<\/a>\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30e1\u30bf\u30c7\u30fc\u30bfIP\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b<\/strong>: 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href=\"https:\/\/github.com\/Netflix-Skunkworks\/aws-metadata-proxy\">aws-metadata-proxy<\/a>\u306a\u3069\u3092\u4f7f\u3046\u3068\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u4e0a\u306b\u3082\u30461\u3064\u30ec\u30a4\u30e4\u30fc\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u3053\u3067\u30e1\u30bf\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u304d\u3081\u7d30\u304b\u304f\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>IAM\u3067\u6700\u5c0f\u9650\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u306e\u307f\u3092\u4ed8\u4e0e\u3059\u308b<\/strong>\uff1aVM\u306bIAM\u30ed\u30fc\u30eb\u3092\u7d10\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001\u305d\u306eVM\u4e0a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4ed6\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002IAM\u306e\u7279\u6a29\u3092\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3068\u3059\u308b\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u6700\u5c0f\u7279\u6a29\u306e\u539f\u5247\u306f\u3001\u8a8d\u8a3c\u60c5\u5831\u304c\u4fb5\u5bb3\u3055\u308c\u305f\u5834\u5408\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>SSRF\u306f\u305d\u308c\u81ea\u4f53\u3067\u306f\u6df1\u523b\u306a\u8106\u5f31\u6027\u3067\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3067\u3059\u304c\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u3084\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u306e\u69cb\u6210\u30df\u30b9\u3068\u5408\u308f\u3055\u308b\u3068\u3001\u4ed6\u306e\u3055\u307e\u3056\u307e\u306a\u653b\u6483\u30d9\u30af\u30c8\u30eb\u3078\u306e\u6249\u3092\u958b\u3044\u3066\u3057\u307e\u3044\u307e\u3059\u3057\u3001\u305d\u3053\u304b\u3089\u8a8d\u8a3c\u60c5\u5831\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306a\u3069\u3001\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u6f0f\u3048\u3044\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u30b9\u30c8\u30ec\u30fc\u30b8\u306a\u3069\u306e\u5185\u90e8\u30b5\u30fc\u30d3\u30b9\u304c\u9732\u51fa\u3057\u3066\u3057\u307e\u3044\u304b\u306d\u307e\u305b\u3093\u3002\u6700\u60aa\u306e\u5834\u5408\u3001\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u5168\u4f53\u304c\u4fb5\u5bb3\u3055\u308c\u308b\u53ef\u80fd\u6027\u3059\u3089\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8abf\u67fb\u3067\u306f\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u3078\u306eSSRF\u306e\u5f71\u97ff\u3092\u793a\u3059\u4f8b\u3068\u3057\u3066\u3068\u304f\u306bJira\u306e\u8106\u5f31\u6027CVE-2019-8451\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3057\u305f\u304c\u3001Jira\u4ee5\u5916\u306b\u3082\u30af\u30e9\u30a6\u30c9\u3067\u306e\u60aa\u7528\u304c\u53ef\u80fd\u306a<a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvekey.cgi?keyword=ssrf\">\u65e2\u77e5\u306eSSRF\u8106\u5f31\u6027<\/a>\u3092\u3082\u3064\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u591a\u6570\u5b58\u5728\u3057\u307e\u3059\u3002CSP\u5074\u3082\u30e1\u30bf\u30c7\u30fc\u30bfAPI\u306e\u4fdd\u8b77\u306b\u52aa\u3081\u306f\u3058\u3081\u3066\u306f\u3044\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u305d\u3046\u3057\u305f\u5b9f\u88c5\u304c\u884c\u304d\u6e21\u308b\u306b\u306f\u307e\u3060\u3057\u3070\u3089\u304f\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u8005\u306f\u3001\u30ea\u30b9\u30af\u7de9\u548c\u306e\u305f\u3081\u3001\u4e0a\u8a18\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5f93\u3046\u3053\u3068\u3092\u5f37\u304f\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>Palo Alto 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