initscripts in Red Hat Enterprise Linux 4 does not properly handle certain environment variables when /sbin/service is executed, which allows local users with sudo permissions for /sbin/service to gain root privileges via unknown vectors.
ftp://patches.sgi.com/support/free/security/advisories/20060401-01-U
secunia.com/advisories/19162
secunia.com/advisories/19532
securitytracker.com/id?1015732
www.redhat.com/support/errata/RHSA-2006-0015.html
www.redhat.com/support/errata/RHSA-2006-0016.html
www.securityfocus.com/bid/17038
exchange.xforce.ibmcloud.com/vulnerabilities/25374
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11198