yum-rhn-plugin in Red Hat Network Client Tools (aka rhn-client-tools) on Red Hat Enterprise Linux (RHEL) 5 and Fedora uses world-readable permissions for the /var/spool/up2date/loginAuth.pkl file, which allows local users to access the Red Hat Network profile, and possibly prevent future security updates, by leveraging authentication data from this file.
secunia.com/advisories/39996
securitytracker.com/id?1024049
www.osvdb.org/65063
www.redhat.com/support/errata/RHSA-2010-0449.html
www.securityfocus.com/bid/40492
www.vupen.com/english/advisories/2010/1311
bugzilla.redhat.com/show_bug.cgi?id=585386
exchange.xforce.ibmcloud.com/vulnerabilities/59114
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9232