CVE-2015-2923 Misconfiguration in n/a
Remote attackers can reconfigure hop-limit settings in FreeBSD IPv6 via malicious Router Advertisement messages, potentially bypassing network security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-2923?
CVE-2015-2923 is a medium-severity vulnerability in Freebsd Freebsd, published on 20 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD through 10.1 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.
Weakness: CWE-20
Which versions are affected by CVE-2015-2923?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2015-2923?
Apply the vendor's patch.
Is CVE-2015-2923 being exploited?
There is no known exploitation of CVE-2015-2923 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-vgpp-7j95-7pmj.