CVE-2023-26249

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Summary

CVECVE-2023-26249
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-21 02:15:00 UTC
Updated2023-03-02 23:20:00 UTC
DescriptionKnot Resolver before 5.6.0 enables attackers to consume its resources, launching amplification attacks and potentially causing a denial of service. Specifically, a single client query may lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.

Risk And Classification

Problem Types: CWE-770

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nic Knot Resolver All All All All

References

ReferenceSourceLinkTags
Knot Resolver 5.6.0 released – Knot Resolver MISC www.knot-resolver.cz
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 182024 Debian Security Update for knot-resolver (CVE-2023-26249)
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