CVE-2024-8418

Containers/aardvark-dns: tcp query handling flaw in aardvark-dns leading to denial of service

Published Sep 4, 2024 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Workaround

It is advised to upgrade aardvark-dns to version 1.12.1 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-2791 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.
Github GHSA Github GHSA GHSA-g5jh-57wm-p79m Missing connection timeout in Aardvark-dns
History
Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
cpe:/a:redhat:enterprise_linux:10
cpe:/a:redhat:enterprise_linux:8
Type Values Removed Values Added
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos
Type Values Removed Values Added
First Time appeared Redhat rhivos
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos
Type Values Removed Values Added
Metrics epss

{'score': 0.00483}

epss

{'score': 0.00394}

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10
Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:9
Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:9::appstream
References
Type Values Removed Values Added
Description A flaw was found in Aardvark-dns versions 1.12.0 and 1.12.1. They contain a denial of service vulnerability due to serial processing of TCP DNS queries. This flaw allows a malicious client to keep a TCP connection open indefinitely, causing other DNS queries to time out and resulting in a denial of service for all other containers using aardvark-dns. 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.
Type Values Removed Values Added
First Time appeared Containers
Containers aardvark-dns
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:containers:aardvark-dns:1.12.0:*:*:*:*:*:*:*
cpe:2.3:a:containers:aardvark-dns:1.12.1:*:*:*:*:*:*:*
Vendors & Products Containers
Containers aardvark-dns
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description No description is available for this CVE. A flaw was found in Aardvark-dns versions 1.12.0 and 1.12.1. They contain a denial of service vulnerability due to serial processing of TCP DNS queries. This flaw allows a malicious client to keep a TCP connection open indefinitely, causing other DNS queries to time out and resulting in a denial of service for all other containers using aardvark-dns.
Title containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service Containers/aardvark-dns: tcp query handling flaw in aardvark-dns leading to denial of service
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Type Values Removed Values Added
Description No description is available for this CVE.
Title containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service
Weaknesses CWE-400
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 5, 2026, 2:44 PM
Reserved
Sep 4, 2024, 10:38 AM
Status
Modified
Published
Sep 4, 2024, 3:15 PM
Modified
Nov 5, 2026, 3:17 PM
Severity
Moderate
Public date
Sep 4, 2024, 10:00 AM