A flaw was found in Aardvark-dns, which is vulnerable to a Denial of Service attack due to the serial processing of TCP DNS queries. An attacker can exploit this flaw by keeping a TCP connection open indefinitely, causing the server to become unresponsive and resulting in other DNS queries timing out. This issue prevents legitimate users from accessing DNS services, thereby disrupting normal operations and causing service downtime.

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2025:7094 advisory.

    * containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service     (CVE-2024-8418)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2025:7094 advisory.

    * containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service     (CVE-2024-8418)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-7094 advisory.

    [2:1.14.0-1]
    - update to https://github.com/containers/aardvark-dns/releases/tag/v1.14.0
    - Related: RHEL-60277

    [2:1.13.1-1]
    - update to https://github.com/containers/aardvark-dns/releases/tag/v1.13.1
    - Related: RHEL-60277

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:7094 advisory.

    Authoritative DNS server for A/AAAA container records  Forwards other request to configured resolvers.
    Read more about configuration in `src/backend/mod.rs`.

    Security Fix(es):

    * containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service     (CVE-2024-8418)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in Aardvark-dns, which is vulnerable to a Denial of Service attack due to the serial     processing of TCP DNS queries. An attacker can exploit this flaw by keeping a TCP connection open     indefinitely, causing the server to become unresponsive and resulting in other DNS queries timing out.
    This issue prevents legitimate users from accessing DNS services, thereby disrupting normal operations and     causing service downtime. (CVE-2024-8418)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-30ed35ba86 advisory.

    Security fix for CVE-2024-8418


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-0ce77b8571 advisory.

    Security fix for CVE-2024-8418


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-141d029304 advisory.

    Security fix for CVE-2024-8418


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
269990	RockyLinux 9 : aardvark-dns (RLSA-2025:7094)	Nessus	Rocky Linux Local Security Checks	high
241278	AlmaLinux 9 : aardvark-dns (ALSA-2025:7094)	Nessus	Alma Linux Local Security Checks	high
237060	Oracle Linux 9 : aardvark-dns (ELSA-2025-7094)	Nessus	Oracle Linux Local Security Checks	high
235831	RHEL 9 : aardvark-dns (RHSA-2025:7094)	Nessus	Red Hat Local Security Checks	high
231863	Linux Distros Unpatched Vulnerability : CVE-2024-8418	Nessus	Misc.	high
211080	Fedora 41 : aardvark-dns (2024-30ed35ba86)	Nessus	Fedora Local Security Checks	high
207538	Fedora 39 : aardvark-dns (2024-0ce77b8571)	Nessus	Fedora Local Security Checks	high
206865	Fedora 40 : aardvark-dns (2024-141d029304)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2024-8418

high

Tenable Plugins

high

high

high

high

high

high

high

high