{
  "Name": "PHP 8.1.0-dev Zerodium Backdoor vulnerabilities",
  "Description": "PHP 8.1.0-dev is a development version of PHP. The PHP 8.1.0-dev version was implanted with a backdoor on March 28, 2021, but the backdoor was quickly discovered and removed. When the backdoor exists on the server, the attacker can execute arbitrary code by sending the User-Agentt header.",
  "Product": "PHP 8.1.0-dev",
  "Homepage": "https://www.php.net",
  "DisclosureDate": "2021-3-28",
  "Author": "go0p",
  "FofaQuery": "header=\"PHP/8.1.0\"",
  "Level": "3",
  "Impact": "PHP 8.1.0-dev is a development version of PHP. The PHP 8.1.0-dev version was implanted in the backdoor on March 28, 2021, which may cause attackers to execute arbitrary code on the server side and control the entire web server.",
  "Recommendation": "",
  "References": [
    "https://www.bleepingcomputer.com/news/security/phps-git-server-hacked-to-add-backdoors-to-php-source-code/"
  ],
  "HasExp": true,
  "ExpParams": [
    {
      "Name": "cmd",
      "Type": "input",
      "Value": "system('whoami');"
    }
  ],
  "ExpTips": {
    "Type": "",
    "Content": ""
  },
  "ScanSteps": null,
  "ExploitSteps": null,
  "Tags": ["rce"],
  "CVEIDs": null,
  "CVSSScore": null,
  "AttackSurfaces": {
    "Application": null,
    "Support": ["PHP"],
    "Service": null,
    "System": null,
    "Hardware": null
  }
}