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

Medium severity · published Dec 23, 2023

CVE-2023-7008

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

5.9

CVSS

0.8%

EPSS

On KEV

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.

CVSS vector

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

Attack vector

Network

Complexity

High

Privileges

None

User interaction

None

Confidentiality

None

Integrity

High

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.8% · higher than 58% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Red Hat Enterprise Linux 8 · Red Hat

All versions, or not specified · source: vendor

Red Hat Enterprise Linux 9 · Red Hat

All versions, or not specified · source: vendor

Systemd · Systemd Project

25 · source: NVD

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens

before V1.1 · source: CISA

Affected product

Red Hat Enterprise Linux 8

Red Hat

All Red Hat Enterprise Linux 8 CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-7008

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-7008

access.redhat.com

https://access.redhat.com/errata/RHSA-2024:2463

access.redhat.com

https://access.redhat.com/errata/RHSA-2024:3203

Vendor Advisory

https://access.redhat.com/security/cve/CVE-2023-7008

Issue Tracking

https://bugzilla.redhat.com/show_bug.cgi?id=2222261

Issue Tracking

https://bugzilla.redhat.com/show_bug.cgi?id=2222672

Issue Tracking

https://github.com/systemd/systemd/issues/25676