PT-2023-20562 · Unknown+2 · Knot Resolver+2

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CVE-2023-26249

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Publicado

2023-02-21

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Atualizado

2025-03-14

CVSS v3.1

7.5

Alta

VetorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Knot Resolver versions prior to 5.6.0
Description The issue enables attackers to consume the resolver's resources, launching amplification attacks and potentially causing a denial of service. A single client query may lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.
Recommendations For versions prior to 5.6.0, update to version 5.6.0 or later to resolve the issue.

Exploit

Correção

DoS

Allocation of Resources Without Limits

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Enumeração de Fraquezas

Identificadores relacionados

ALT-PU-2023-1509
ALT-PU-2024-2060
CVE-2023-26249

Produtos afetados

Alt Linux
Debian
Knot Resolver