FreeBSD 6.3, 6.4, 7.1, and 7.2 does not enforce permissions on the SIOCSIFINFO_IN6 IOCTL, which allows local users to modify or disable IPv6 network interfaces, as demonstrated by modifying the MTU.Referenceshttp://www.securityfocus.com/bid/35285https://exchange.xforce.ibmcloud.com/vulnerabilities/51044http://www.securitytracker.com/id?1022367http://secunia.com/advisories/35410http://security.FreeBSD.org/advisories/FreeBSD-SA-09:10.ipv6.asc
