CVE-2024-8418
containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 4, 2024
Updated · October 22, 2026
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.
Statement
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
It is advised to upgrade aardvark-dns to version 1.12.1 or higher.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-400 · Uncontrolled Resource Consumption