CVE-2011-4062 Memory corruption in n/a

High 7.2 Published 18 Oct 2011 Updated 6 Aug 2024

Local attackers can trigger a kernel panic or gain privileges via a buffer overflow in the FreeBSD kernel's bind system call handling.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2011-4062?

CVE-2011-4062 is a high-severity memory corruption vulnerability in Freebsd Freebsd, published on 18 Oct 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the kernel in FreeBSD 7.3 through 9.0-RC1 allows local users to cause a denial of service (panic) or possibly gain privileges via a bind system call with a long pathname for a UNIX socket.

Weakness: CWE-119

Which versions are affected by CVE-2011-4062?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2011-4062?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-4062 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4062 exists.

Public exploit code: 1 Exploit-DB entry.

All Freebsd Freebsd vulnerabilities

Sources

Also known as CVE-2011-3633, DSA-2325-1, GHSA-4jfx-pxp6-7456.