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unbound: novel ghost domain attack that allows attackers to trigger continued resolvability of malicious domain names

🗓️ 08 Nov 2022 10:08:39Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Unbound flaw allows keeping rogue domains resolvable by updating child delegation.

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Tenable Nessus		Amazon Linux 2022 : python3-unbound, unbound, unbound-anchor (ALAS2022-2023-265)
25 Jan 202300:00
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Tenable Nessus		Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2023-078)
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Tenable Nessus		Amazon Linux 2 : unbound (ALAS-2024-2468)
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Tenable Nessus		AlmaLinux 8 : unbound (ALSA-2022:7622)
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Tenable Nessus		AlmaLinux 9 : unbound (ALSA-2022:8062)
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Tenable Nessus		CentOS 8 : unbound (CESA-2022:7622)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64python3-unbound0:1.16.2-2.el8python3-unbound-0:1.16.2-2.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lepython3-unbound0:1.16.2-2.el8python3-unbound-0:1.16.2-2.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xpython3-unbound0:1.16.2-2.el8python3-unbound-0:1.16.2-2.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64python3-unbound0:1.16.2-2.el8python3-unbound-0:1.16.2-2.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64python3-unbound-debuginfo0:1.16.2-2.el8python3-unbound-debuginfo-0:1.16.2-2.el8.aarch64.rpm
Red Hat Enterprise Linux8i686python3-unbound-debuginfo0:1.16.2-2.el8python3-unbound-debuginfo-0:1.16.2-2.el8.i686.rpm
Red Hat Enterprise Linux8ppc64lepython3-unbound-debuginfo0:1.16.2-2.el8python3-unbound-debuginfo-0:1.16.2-2.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xpython3-unbound-debuginfo0:1.16.2-2.el8python3-unbound-debuginfo-0:1.16.2-2.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64python3-unbound-debuginfo0:1.16.2-2.el8python3-unbound-debuginfo-0:1.16.2-2.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64unbound0:1.16.2-2.el8unbound-0:1.16.2-2.el8.aarch64.rpm
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21 Nov 2025 18:34Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
EPSS0.00868
CWE-613
Unbound vulnerabilityghost domain namesrogue domain nameschild delegationdelegation cachedomain resolvabilitysubdomain attack
4