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CVE-2019-6473

Published: 28 August 2019

An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
isc-kea
Launchpad, Ubuntu, Debian
bionic Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(1.6.2-0ubuntu1)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Not vulnerable
(2.0.2-1)
kinetic Not vulnerable
(2.2.0-1)
lunar Not vulnerable
(2.2.0-5ubuntu4)
mantic Not vulnerable
(2.2.0-5ubuntu4)
noble Not vulnerable
(2.2.0-5ubuntu4)
trusty Does not exist

upstream Needs triage

xenial Needs triage

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