dovecot 1.0.7 in Red Hat Enterprise Linux (RHEL) 5, and possibly Fedora, uses world-readable permissions for dovecot.conf, which allows local users to obtain the ssl_key_password parameter value.
secunia.com/advisories/32164
secunia.com/advisories/33149
secunia.com/advisories/33624
security.gentoo.org/glsa/glsa-200812-16.xml
www.openwall.com/lists/oss-security/2008/10/29/10
www.redhat.com/support/errata/RHSA-2009-0205.html
bugzilla.redhat.com/show_bug.cgi?id=436287
exchange.xforce.ibmcloud.com/vulnerabilities/46323
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10776