CVE-2023-7008

Publication date 23 December 2023

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

A vulnerability was found in systemd-resolved. This issue may allow systemd-resolved to accept records of DNSSEC-signed domains even when they have no signature, allowing man-in-the-middles (or the upstream DNS resolver) to manipulate records.

Read the notes from the security team

Why is this CVE low priority?

DNSSEC is an experimental feature in systemd with known issues

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
systemd 24.10 oracular
Fixed 255.2-3ubuntu1
24.04 LTS noble
Fixed 255.2-3ubuntu1
23.10 mantic Ignored end of life, was needed
23.04 lunar Ignored end of life, was needed
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Vulnerable
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of ESM support, was needs-triage

Notes

mdeslaur

DNSSEC is turned off in Ubuntu by default, and is an experimental feature not recommended for production

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
systemd

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N