Freebsd · Freebsd · CVE-2009-2208
**Name of the Vulnerable Software and Affected Versions**
FreeBSD versions 6.3, 6.4, 7.1, 7.2
**Description**
The issue allows local users to modify or disable IPv6 network interfaces due to a lack of permission enforcement on the SIOCSIFINFO IN6 IOCTL. This can be demonstrated by modifying the MTU.
**Recommendations**
For versions 6.3, 6.4, 7.1, 7.2, consider restricting access to the SIOCSIFINFO IN6 IOCTL to prevent unauthorized modification of IPv6 network interfaces.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.