CVE-2012-5363: High severity freebsd kernel vulnerability

Published Feb 20, 2020
·
Updated

The IPv6 implementation in FreeBSD and NetBSD (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Neighbor Solicitation messages, a different vulnerability than CVE-2011-2393.

Affected Software

2 affected components
FreeBSD FreeBSD<9.2
NetBSD NetBSD<6.0.2

Event History

Feb 20, 2020
CVE Published
via MITRE·02:24 PM
Data Sourced
via MITRE·02:24 PM
Description
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Frequently Asked Questions

1

What is CVE-2012-5363?

CVE-2012-5363 is a vulnerability in the IPv6 implementation in FreeBSD and NetBSD (unknown versions, year 2012 and earlier) that allows remote attackers to cause a denial of service via a flood of ICMPv6 Neighbor Solicitation messages.

2

What is the severity of CVE-2012-5363?

The severity of CVE-2012-5363 is high, with a severity value of 7.5.

3

How does CVE-2012-5363 affect FreeBSD and NetBSD?

CVE-2012-5363 affects FreeBSD versions up to and excluding 9.2, and NetBSD versions up to and excluding 6.0.2.

4

How can CVE-2012-5363 be exploited?

CVE-2012-5363 can be exploited by sending a flood of ICMPv6 Neighbor Solicitation messages to the vulnerable system.

5

Is there a fix for CVE-2012-5363?

Yes, updating FreeBSD to version 9.2 or later, and NetBSD to version 6.0.2 or later, can fix the CVE-2012-5363 vulnerability.

Contact

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