What is CVE-2019-6472?

CVE-2019-6472 is a vulnerability in the Kea DHCPv6 server process (kea-dhcp6) that can be triggered by a packet containing a malformed DUID, leading to an assertion failure and the server process exiting.

Which versions of Kea DHCPv6 server are affected by CVE-2019-6472?

Versions 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2 of the Kea DHCPv6 server are affected by CVE-2019-6472.

What is the severity of CVE-2019-6472?

CVE-2019-6472 has a severity rating of 6.5, classified as medium.

How can I fix CVE-2019-6472?

To fix CVE-2019-6472, update your Kea DHCPv6 server to a version that is not affected by the vulnerability.

Where can I find more information about CVE-2019-6472?

You can find additional information about CVE-2019-6472 at the following reference link: https://kb.isc.org/docs/cve-2019-6472

Vulnerability/
CVE-2019-6472

medium

6.5

CWE

617

16/10/2019

17/9/2024

CVE-2019-6472: A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate

First published: Wed Oct 16 2019(Updated: )

A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

Credit: security-officer@isc.org

Affected Software	Affected Version	How to fix
ISC Kea	>=1.4.0<=1.5.0
ISC Kea	=1.6.0-beta1
ISC Kea	=1.6.0-beta2

Remedy

Upgrade to a version of Kea containing a fix, available via https://www.isc.org/downloads. - Kea 1.4.0-P2 - Kea 1.5.0-P1 - Kea 1.6.0

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Reference Links

https://kb.isc.org/docs/cve-2019-6472

Frequently Asked Questions

What is CVE-2019-6472?
CVE-2019-6472 is a vulnerability in the Kea DHCPv6 server process (kea-dhcp6) that can be triggered by a packet containing a malformed DUID, leading to an assertion failure and the server process exiting.
Which versions of Kea DHCPv6 server are affected by CVE-2019-6472?
Versions 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2 of the Kea DHCPv6 server are affected by CVE-2019-6472.
What is the severity of CVE-2019-6472?
CVE-2019-6472 has a severity rating of 6.5, classified as medium.
How can I fix CVE-2019-6472?
To fix CVE-2019-6472, update your Kea DHCPv6 server to a version that is not affected by the vulnerability.
Where can I find more information about CVE-2019-6472?
You can find additional information about CVE-2019-6472 at the following reference link: https://kb.isc.org/docs/cve-2019-6472

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version/isc kea/1.6.0-beta1
version/isc kea/1.6.0-beta2

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