FreeBSD.IPv6.IPsec.Extension.Header.Option.Data.Length.DoS

description-logoDescription

This indicates an attack attempt to exploit a Denial of Service Vulnerability in FreeBSD.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted IPv6 packet. A remote attacker may be able to exploit this to cause a denial of service condition on the target system.

affected-products-logoAffected Products

FreeBSD 10.0-Stable prior to r328621
FreeBSD 10.3-releng prior to r331985
FreeBSD 10.4-Releng prior to r331985
FreeBSD 11.0-Stable prior to r328620
FreeBSD 11.1-Releng prior to r331985

Impact logoImpact

Denial of Service: Remote attackers can crash vulnerable systems.

recomended-action-logoRecommended Actions

Apply the most recent upgrade or patch from the vendor:
https://www.freebsd.org/security/advisories/FreeBSD-SA-18:05.ipsec.asc

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)