/usr/share/perl5/tainted.pl is in libperl4-corelibs-perl 0.003-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | # This subroutine returns true if its argument is tainted, false otherwise.
sub tainted {
local($@);
eval { kill 0 * $_[0] };
$@ =~ /^Insecure/;
}
1;
|