CVE-2024-8418
CVE-2024-8418 is a high-severity vulnerability in Containers Aardvark-dns with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (51st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-2791
- Weakness: CWE-400
- Affected product: Containers Aardvark-dns
- Published:
- Last modified:
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.
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.
- How severe is CVE-2024-8418?
- CVE-2024-8418 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-8418 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-8418?
- CVE-2024-8418 primarily affects Containers Aardvark-dns. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-8418?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-8418 have an EU (EUVD) identifier?
- Yes. CVE-2024-8418 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2791.
- When was CVE-2024-8418 published?
- CVE-2024-8418 was published on 2024-09-04 and last updated on 2026-06-30.
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/issues/500
- https://github.com/containers/aardvark-dns/pull/503
Affected products (2)
- cpe:2.3:a:containers:aardvark-dns:1.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:containers:aardvark-dns:1.12.1:*:*:*:*:*:*:*
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