Vulnerability · Published Sep 4, 2024 · Assigned by redhat
CVE-2024-8418Containers/aardvark-dns: tcp query handling flaw in aardvark-dns leading to denial of service
High 7.5
In plain English
A high-severity uncontrolled resource consumption in containers/aardvark-dns. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | aardvark-dns | 2:1.14.0-1.el9 | ALSA-2025:7094 |
| Alpine:v3.21 | aardvark-dns | 1.12.2-r0 | ALPINE-CVE-2024-8418 |
| Alpine:v3.22 | aardvark-dns | 1.12.2-r0 | ALPINE-CVE-2024-8418 |
| Alpine:v3.23 | aardvark-dns | 1.12.2-r0 | ALPINE-CVE-2024-8418 |
| Alpine:v3.24 | aardvark-dns | 1.12.2-r0 | ALPINE-CVE-2024-8418 |
| Debian:13 | aardvark-dns | 1.12.2-1 | DEBIAN-CVE-2024-8418 |
| Debian:14 | aardvark-dns | 1.12.2-1 | DEBIAN-CVE-2024-8418 |
| Rocky Linux:9 | aardvark-dns | 2:1.14.0-1.el9 | RLSA-2025:7094 |
| Ubuntu:24.04:LTS | aardvark-dns | no fix listed | UBUNTU-CVE-2024-8418 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| containers/aardvark-dns | 1.12.01.12.1 | |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat Enterprise Linux 10 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat OpenShift Container Platform 4 | see references |
| Red Hat | Red Hat OpenShift Container Platform 4 | see references |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- RHSA-2025:7094 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-8418 vdb-entry, x_refsource_REDHAT
- RHBZ#2309683 issue-tracking, x_refsource_REDHAT
- https://github.com/containers/aardvark-dns/issues/500
- https://github.com/containers/aardvark-dns/pull/503