CVE-2008-3530 Denial of service in n/a

High 7.1 Published 5 Sep 2008 Updated 7 Aug 2024

Remote attackers can cause a kernel panic and denial of service in FreeBSD and NetBSD by sending crafted ICMPv6 Packet Too Big messages.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2008-3530?

CVE-2008-3530 is a high-severity denial of service vulnerability in Freebsd Freebsd, published on 5 Sep 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

sys/netinet6/icmp6.c in the kernel in FreeBSD 6.3 through 7.1, NetBSD 3.0 through 4.0, and possibly other operating systems does not properly check the proposed new MTU in an ICMPv6 Packet Too Big Message, which allows remote attackers to cause a denial of service (panic) via a crafted Packet Too Big Message.

Weakness: CWE-20

Which versions are affected by CVE-2008-3530?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2008-3530?

No fix has been published for CVE-2008-3530 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2008-3530 being exploited?

There is no known exploitation of CVE-2008-3530 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-54hj-xp7v-pcj6.