CVE-2013-3077 Integer overflow in n/a

High 7.2 Published 28 Aug 2013 Updated 16 Sep 2024

Local attackers can exploit integer overflows in FreeBSD multicast handling to bypass kernel memory restrictions and gain elevated privileges.

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-2013-3077?

CVE-2013-3077 is a high-severity vulnerability in Freebsd Freebsd, published on 28 Aug 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple integer overflows in the IP_MSFILTER and IPV6_MSFILTER features in (1) sys/netinet/in_mcast.c and (2) sys/netinet6/in6_mcast.c in the multicast implementation in the kernel in FreeBSD 8.3 through 9.2-PRERELEASE allow local users to bypass intended restrictions on kernel-memory read and write operations, and consequently gain privileges, via vectors involving a large number of source-filter entries.

Weakness: CWE-189

Which versions are affected by CVE-2013-3077?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2013-3077?

Apply the vendor's patch.

Is CVE-2013-3077 being exploited?

There is no known exploitation of CVE-2013-3077 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-cvc8-jqm5-x5hj.