diff --git a/html/cgi-bin/fireinfo.cgi b/html/cgi-bin/fireinfo.cgi
index c4baa6170..99952be2e 100644
--- a/html/cgi-bin/fireinfo.cgi
+++ b/html/cgi-bin/fireinfo.cgi
@@ -49,7 +49,11 @@ if ( -e "$configfile" ) {
 if ("$fireinfosettings{'ACTION'}" eq "trigger") {
 	if ($fireinfosettings{'ENABLE_FIREINFO'} eq 'off') 	{
 		&General::log($Lang::tr{'fireinfo is enabled'});
-		&General::system('/usr/bin/touch', $configfile);
+
+		# Write empty configfile.
+		open(FILE, ">$configfile");
+		close(FILE);
+
 		$fireinfosettings{'ENABLE_FIREINFO'} = 'on';
 	} else {
 		&General::log($Lang::tr{'fireinfo is disabled'});
@@ -84,9 +88,13 @@ if ($errormessage) {
 	&Header::closebox();
 }
 
-my $ipfire_version = `cat /etc/system-release`;
+# Get IPFire version string.
+open(FILE, "/etc/system-release");
+my $ipfire_version = <FILE>;
+close(FILE);
+
 my $pakfire_version = &Pakfire::make_version();
-my $kernel_version = `uname -a`;
+my $kernel_version = &General::system_output("uname", "-a");
 
 &Header::openbox('100%', 'left', $Lang::tr{'fireinfo system version'});
 print <<END;
@@ -108,12 +116,17 @@ END
 &Header::closebox();
 
 # Read pregenerated profile data
-my $profile = `cat /var/ipfire/fireinfo/profile`;
+open(FILE, "/var/ipfire/fireinfo/profile");
+my $profile = <FILE>;
+close(FILE);
+chomp($profile);
 
 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>\n";
 
 # Read profile ID from file
-my $profile_id = `cat /var/ipfire/fireinfo/public_id`;
+open(FILE, "/var/ipfire/fireinfo/public_id");
+my $profile_id = <FILE>;
+close(FILE);
 chomp($profile_id);
 
 &Header::openbox('100%', 'left', $Lang::tr{'fireinfo settings'});