Class: Brakeman::CheckSafeBufferManipulation

Inherits:
BaseCheck
  • Object
show all
Defined in:
lib/brakeman/checks/check_safe_buffer_manipulation.rb

Overview

Check for unsafe manipulation of strings Right now this is just a version check for https://groups.google.com/group/rubyonrails-security/browse_thread/thread/edd28f1e3d04e913?pli=1

Instance Method Summary collapse

Instance Method Details

#run_check ⇒ Object 



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# File 'lib/brakeman/checks/check_safe_buffer_manipulation.rb', line 11

def run_check

  if version_between? "3.0.0", "3.0.11"
    suggested_version = "3.0.12"
  elsif version_between? "3.1.0", "3.1.3"
    suggested_version = "3.1.4"
  elsif version_between? "3.2.0", "3.2.1"
    suggested_version = "3.2.2"
  else
    return
  end

  message = msg(msg_version(rails_version), " has a vulnerability in ", msg_code("SafeBuffer"), ". Upgrade to ", msg_version(suggested_version), " or apply patches")

  warn :warning_type => "Cross-Site Scripting",
    :warning_code => :safe_buffer_vuln, 
    :message => message,
    :confidence => :medium,
    :gem_info => gemfile_or_environment,
    :cwe_id => [79]
end