Download from here:
http://web.sitepros.net/stuff/gtar.1.15.zip Download will be slow, my server is getting hammered... But that is the one that worked for me...
Then below to 'install' it...
cd /opt/CPshrd-R62/util/
mv gtar gtar.orig
cp /tmp/gtar.1.15.90 gtar
chmod 755 gtar