Systemd-resolved: unsigned name response in signed zone is not refused when dnssec=yes
Priority LOW 28CWE-300Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00842 58th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | — | 239-82.el8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 252-32.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 252-32.el9_4 | Patch available | CNA |
| Red Hat | Cryostat 2 | — | — | Not affected | CNA |
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 239-82.el8 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 252-32.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 252-32.el9_4 Patch available CNA
- Cryostat 2 VendorRed Hat Affected — Fixed in — Not affected CNA
Remediation
Red Hat 2 advisories
- RHSA-2024:3203 Released 2024-05-22 · Red Hat rating Moderatesystemd security update
- Red Hat Enterprise Linux BaseOS (v. 8) systemd-239-82.el8, systemd-container-239-82.el8, systemd-devel-239-82.el8 +5
- RHSA-2024:2463 Released 2024-04-30 · Red Hat rating Moderatesystemd security update
- Red Hat Enterprise Linux AppStream (v. 9) systemd-devel-252-32.el9_4, systemd-journal-remote-252-32.el9_4
- Red Hat Enterprise Linux BaseOS (v. 9) rhel-net-naming-sysattrs-252-32.el9_4, systemd-252-32.el9_4, systemd-container-252-32.el9_4 +6
- Red Hat Enterprise Linux CRB (v. 9) systemd-boot-unsigned-252-32.el9_4
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:2463 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:3203 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:2463 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:2463 |
Not affected: 1 product
- Cryostat 2
Timeline
- 2026-10-02 Threatist record created from CVE-2023-7008
- 2026-10-03 Alias added: GHSA-hwxf-wjq7-j3hm
- 2026-11-02 CISA SSVC decision points changed
References
More Red Hat vulnerabilities
- TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-7008 · CVE Program
- CVE-2023-7008 · NVD
- FIRST EPSS
- GHSA-hwxf-wjq7-j3hm · GitHub Advisory Database · CC BY 4.0
- CVE-2023-7008 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences