Class: DockerInsecureRegistries

Inherits:
Dockscan::Modules::AuditModule show all
Defined in:
lib/dockscan/modules/audit/docker-insecure-registries.rb

Instance Attribute Summary

Attributes inherited from Dockscan::Modules::AuditModule

#scandata

Instance Method Summary collapse

Methods inherited from Dockscan::Modules::AuditModule

#idcontainer

Methods inherited from Dockscan::Modules::GenericModule

inherited, modules

Instance Method Details

#check(dockercheck) ⇒ Object 



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# File 'lib/dockscan/modules/audit/docker-insecure-registries.rb', line 7

def check(dockercheck)
  sp=Dockscan::Scan::Plugin.new
  si=Dockscan::Scan::Issue.new
  si.title="Insecure registries in use"
  si.description="Docker daemon reports it is running configuration with insecure registries.\nThis is not recommended as attacker is able to deploy malicious images to registries."
  si.solution="It is recommended to use secure registries and configuration without insecure registries."
  si.severity=4 # Low
  si.risk = { "cvss" => 3.2 } 
  si.references = {"CIS" => "2.5 Do not use insecure registries" }
  sp.vuln=si 
  if scandata.key?("GetDockerInfo") and scandata["GetDockerInfo"].obj.key?("RegistryConfig")
    sp.state="run"
    vulnerable = false
    outputregs = ""
    outputindexs = ""
    # ["RegistryConfig"]["InsecureRegistryCIDRs"].each do |item| puts item end
    scandata["GetDockerInfo"].obj["RegistryConfig"]["InsecureRegistryCIDRs"].each do |item|
      if item != "127.0.0.0/8" then
        vulnerable=true
        outputregs = item << "\n"
      end
    end
    # Docker.info["RegistryConfig"]["IndexConfigs"].each do |item,value| puts item,value,value["Secure"] end
    scandata["GetDockerInfo"].obj["RegistryConfig"]["IndexConfigs"].each do |item, value|
      if value["Secure"] != true
        vulnerable=true
        outputindexs = item value["Name"] << "\n"
      end
    end

    if vulnerable then
      sp.state="vulnerable"
      sp.output = "Docker daemon reports it is using insecure registries. Offending issues below.\n "
      if outputregs != "" then
        sp.output << "Insecure CIDRs offending configuration:\n"
        sp.output << outputregs << "\n"
      end
      if outputindexs != "" then
        sp.output << "Offending registry indexes:\n"
        sp.output << outputindexs << "\n"
      end
    end
  end
  return sp
end

#info ⇒ Object 



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# File 'lib/dockscan/modules/audit/docker-insecure-registries.rb', line 3

def info
  return 'This plugin checks if insecure registries in use'
end