The good_client function in nfs-utils 1.0.9, and possibly other versions before 1.1.3, invokes the hosts_ctl function with the wrong order of arguments, which causes TCP Wrappers to ignore netgroups and allows remote attackers to bypass intended access restrictions.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8325
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11544
https://exchange.xforce.ibmcloud.com/vulnerabilities/45895
https://bugzilla.redhat.com/show_bug.cgi?id=458676
http://www.vupen.com/english/advisories/2010/0528
http://www.ubuntu.com/usn/USN-687-1
http://www.securityfocus.com/bid/31823
http://www.securityfocus.com/archive/1/497935/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2009-1321.html
http://www.openwall.com/lists/oss-security/2012/07/19/5
http://www.openwall.com/lists/oss-security/2012/07/19/2
http://www.mandriva.com/security/advisories?name=MDVSA-2009:060
http://wiki.rpath.com/Advisories:rPSA-2008-0307
http://secunia.com/advisories/38833
http://secunia.com/advisories/38794
http://secunia.com/advisories/36538
http://secunia.com/advisories/33006
http://secunia.com/advisories/32481
http://secunia.com/advisories/32346
http://lists.vmware.com/pipermail/security-announce/2010/000082.html