CVE-2023-7008: Systemd-resolved: unsigned name response in signed zone is not refused when dnssec=yes

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-23 · updated 2026-10-14
Weakness: CWE-300

Description

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.

Affected products

systemd: 25

References

https://access.redhat.com/errata/RHSA-2024:2463
https://access.redhat.com/errata/RHSA-2024:3203
https://access.redhat.com/security/cve/CVE-2023-7008
https://bugzilla.redhat.com/show_bug.cgi?id=2222261
https://bugzilla.redhat.com/show_bug.cgi?id=2222672
https://github.com/systemd/systemd/issues/25676
https://access.redhat.com/errata/RHSA-2024:2463
https://access.redhat.com/errata/RHSA-2024:3203
https://access.redhat.com/security/cve/CVE-2023-7008
https://bugzilla.redhat.com/show_bug.cgi?id=2222261
https://bugzilla.redhat.com/show_bug.cgi?id=2222672
https://github.com/systemd/systemd/issues/25676

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