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

5.9MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Cryostat 2
Vendor
CVE Published:
23 December 2023

What is CVE-2023-7008?

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 Version(s)

Red Hat Enterprise Linux 8 0:239-82.el8

Red Hat Enterprise Linux 9 0:252-32.el9_4

Red Hat Enterprise Linux 9 0:252-32.el9_4

References

https://access.redhat.com/errata/RHSA-2024:2463
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3203
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-7008
vdb-entryx_refsource_REDHAT

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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