Systemd-resolved: unsigned name response in signed zone is not refused when dnssec=yes

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Summary

CVECVE-2023-7008
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-12-23 13:15:07 UTC
Updated2026-10-14 23:17:21 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.008490000 probability, percentile 0.572220000 (date 2026-10-14)

Problem Types: CWE-300 | NVD-CWE-Other | CWE-300 Channel Accessible by Non-Endpoint

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
3.1[email protected]Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
3.1CNACVSS5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Systemd Project Systemd 25 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Red Hat Enterprise Linux 8 unaffected 0:239-82.el8 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9 unaffected 0:252-32.el9_4 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9 unaffected 0:252-32.el9_4 * rpm Not specified
CNA Red Hat Cryostat 2 Not specified Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
security.netapp.com/advisory/ntap-20241122-0004 af854a3a-2127-422b-91ae-364da2661108 security.netapp.com
bugzilla.redhat.com/show_bug.cgi af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
access.redhat.com/security/cve/CVE-2023-7008 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Vendor Advisory
github.com/systemd/systemd/issues/25676 af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking
access.redhat.com/errata/RHSA-2024:2463 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
[SECURITY] Fedora 38 Update: systemd-253.15-2.fc38 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
lists.debian.org/debian-lts-announce/2024/09/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
access.redhat.com/errata/RHSA-2024:3203 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] Fedora 39 Update: systemd-254.8-2.fc39 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
bugzilla.redhat.com/show_bug.cgi af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2023-07-12T00:00:00.000ZReported to Red Hat.
CNA2022-12-08T00:00:00.000ZMade public.

Workarounds

CNA: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Legacy QID Mappings

  • 284886 Fedora Security Update for systemd (FEDORA-2024-c79658eedf)
  • 285022 Fedora Security Update for systemd (FEDORA-2024-b8312ca5b3)
  • 357115 Amazon Linux Security Advisory for systemd : ALAS2023-2024-509
  • 6140433 AWS Bottlerocket Security Update for systemd (GHSA-rrph-5rc2-j4g2)
  • 673526 EulerOS Security Update for systemd (EulerOS-SA-2024-1252)
  • 673549 EulerOS Security Update for systemd (EulerOS-SA-2024-1230)
  • 673801 EulerOS Security Update for systemd (EulerOS-SA-2024-1327)
  • 674110 EulerOS Security Update for systemd (EulerOS-SA-2024-1349)
  • 674130 EulerOS Security Update for systemd (EulerOS-SA-2024-1499)
  • 674145 EulerOS Security Update for systemd (EulerOS-SA-2024-1520)
  • 907723 Common Base Linux Mariner (CBL-Mariner) Security Update for systemd (32270-1)

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