Class: DockerLimits

Inherits:
Dockscan::Modules::AuditModule show all
Defined in:
lib/dockscan/modules/audit/docker-limits.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-limits.rb', line 7

def check(dockercheck)
  sp=Dockscan::Scan::Plugin.new
  si=Dockscan::Scan::Issue.new
  si.title="Docker running without defined limits"
  si.description="Docker daemon reports it is running daemon without defined limits.\nThis is not recommended as offending containers could use up all resources."
  si.solution="It is recommended to define docker limits."
  si.severity=5 # Medium
  si.risk = { "cvss" => 4.4 } 
  si.references = {"CIS" => "2.10 Set default ulimit as appropriate" }
  sp.output=""
  sp.vuln=si 
  if scandata.key?("GetDockerInfo") and scandata["GetDockerInfo"].obj.key?("MemoryLimit")
    sp.state="run"
    if scandata["GetDockerInfo"].obj["MemoryLimit"] == false then
      sp.output << "Docker daemon reports it is running without memory limit.\n"
      sp.state="vulnerable"
    end
  end
  if scandata.key?("GetDockerInfo") and scandata["GetDockerInfo"].obj.key?("SwapLimit")
    if scandata["GetDockerInfo"].obj["SwapLimit"] == false then
      sp.output << "Docker daemon reports it is running without swap limit.\n"
      sp.state="vulnerable"
    end
  end
  return sp
end

#info ⇒ Object 



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

def info
  return 'This plugin checks if docker is running with defined limits'
end