rhsa-2025:7094
Vulnerability from csaf_redhat
Published
2025-05-13 08:44
Modified
2025-07-24 13:24
Summary
Red Hat Security Advisory: aardvark-dns security update

Notes

Topic
An update for aardvark-dns is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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  "vulnerabilities": [
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      "cwe": {
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        "name": "Uncontrolled Resource Consumption"
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      "discovery_date": "2024-09-03T00:00:00+00:00",
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          "text": "2309683"
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          "category": "description",
          "text": "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.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is classified as moderate severity because it affects the availability of the service rather than compromising data confidentiality or integrity. The CVSS score reflects its impact on system availability, as the DoS attack can lead to significant downtime and service disruption but does not involve unauthorized data access or code execution.",
          "title": "Statement"
        },
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-8418"
        },
        {
          "category": "external",
          "summary": "RHBZ#2309683",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2309683"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-8418",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-8418"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-8418",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8418"
        },
        {
          "category": "external",
          "summary": "https://github.com/containers/aardvark-dns/issues/500",
          "url": "https://github.com/containers/aardvark-dns/issues/500"
        },
        {
          "category": "external",
          "summary": "https://github.com/containers/aardvark-dns/pull/503",
          "url": "https://github.com/containers/aardvark-dns/pull/503"
        }
      ],
      "release_date": "2024-09-04T10:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-05-13T08:44:33+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "AppStream-9.6.0.GA:aardvark-dns-2:1.14.0-1.el9.ppc64le",
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            "AppStream-9.6.0.GA:aardvark-dns-debuginfo-2:1.14.0-1.el9.aarch64",
            "AppStream-9.6.0.GA:aardvark-dns-debuginfo-2:1.14.0-1.el9.ppc64le",
            "AppStream-9.6.0.GA:aardvark-dns-debuginfo-2:1.14.0-1.el9.s390x",
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            "AppStream-9.6.0.GA:aardvark-dns-debugsource-2:1.14.0-1.el9.aarch64",
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            "AppStream-9.6.0.GA:aardvark-dns-debugsource-2:1.14.0-1.el9.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:7094"
        },
        {
          "category": "workaround",
          "details": "It is advised to upgrade aardvark-dns to version 1.12.1 or higher.",
          "product_ids": [
            "AppStream-9.6.0.GA:aardvark-dns-2:1.14.0-1.el9.aarch64",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-9.6.0.GA:aardvark-dns-2:1.14.0-1.el9.aarch64",
            "AppStream-9.6.0.GA:aardvark-dns-2:1.14.0-1.el9.ppc64le",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service"
    }
  ]
}


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