CVE-2009-2208 Missing authorization in n/a

Low 3.6 Published 24 Jun 2009 Updated 7 Aug 2024

Local attackers can modify or disable IPv6 network interfaces due to missing permission checks on an IOCTL call in FreeBSD.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2009-2208?

CVE-2009-2208 is a low-severity missing authorization vulnerability in Freebsd Freebsd, published on 24 Jun 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-264

Which versions are affected by CVE-2009-2208?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2009-2208?

No fix has been published for CVE-2009-2208 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2009-2208 being exploited?

There is no known exploitation of CVE-2009-2208 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-g64f-whgh-84jj.