Buffer overflow in sar for SCO OpenServer 5.0.0 through 5.0.5 may allow local users to gain root privileges via a long -f parameter, a different vulnerability than CVE-1999-1570.
http://www.securityfocus.com/bid/643
http://www.iss.net/security_center/static/8989.php
http://online.securityfocus.com/archive/1/27074
http://online.securityfocus.com/advisories/1843
http://marc.info/?l=vuln-dev&m=102098949103708&w=2
http://marc.info/?l=bugtraq&m=94183363719024&w=2