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CVE-2023-38469

Published: 2 November 2023

A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.

Notes

AuthorNote
eslerm
tests are in c6cab87df290 tests: pass overly long TXT resource records

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
avahi
Launchpad, Ubuntu, Debian
bionic
Released (0.7-3.1ubuntu1.3+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal
Released (0.7-4ubuntu7.3)
jammy
Released (0.8-5ubuntu5.2)
kinetic Ignored
(end of life, was deferred [2023-09-21])
lunar
Released (0.8-6ubuntu1.23.04.2)
mantic
Released (0.8-10ubuntu1.1)
trusty
Released (0.6.31-4ubuntu1.3+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (0.6.32~rc+dfsg-1ubuntu2.3+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
upstream: https://github.com/lathiat/avahi/commit/a337a1ba7d15853fb56deef1f464529af6e3a1cf
upstream: https://github.com/lathiat/avahi/commit/c6cab87df290448a63323c8ca759baa516166237

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H