CVE-2024-8418: aardvark-dns DoS — Exploit

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
containers	aardvark-dns	All
containers	aardvark-dns	All

References

Exploits

https://github.com/containers/aardvark-dns/issues/500

Other References

https://access.redhat.com/errata/RHSA-2025:7094 https://access.redhat.com/security/cve/CVE-2024-8418 https://bugzilla.redhat.com/show_bug.cgi?id=2309683 https://github.com/containers/aardvark-dns/pull/503

Frequently Asked Questions

What is CVE-2024-8418? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-8418? +

CVE-2024-8418 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-8418? +

CVE-2024-8418 affects products from containers, specifically: aardvark-dns. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8418? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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