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CVE-2015-2923

Published: 20 February 2020

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.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
kfreebsd-8
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise Does not exist

trusty Does not exist

upstream Needs triage

utopic Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H