7.5Alta

CVE-2021-25218A too-strict assertion check could be triggered when responses in BIND 9.16.19 and 9.17.16 require UDP fragmentation if RRL is in use

ISC BIND9 Publicada: 2021-08-18 21:20 (hace 5 años)

Descripción

In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Fabricante	Producto	Versiones
ISC	BIND9	Stable Branch 9.16.19, Development Branch 9.17.16, Supported Preview Edition 9.16.19-S1

Referencias y parches

Puntuación CVSS

7.5Alta

Fuente: isc · CVSS 3.1

Vector de ataque: Red
Complejidad: Baja
Privilegios: Ninguno
Interacción del usuario: Ninguna
Alcance: Sin cambio
Confidencialidad: Ninguno
Integridad: Ninguno
Disponibilidad: Alto

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

EPSS (probabilidad de explotación en 30 días)

3.66%

superior al 90 % de todas las CVE

Cronología

ID reservado2021-01-15
Publicada2021-08-18 21:20
Llegó a IP-DB2026-10-25 00:04
Última actualización2024-09-17 06:07

Asignada por (CNA): isc

Ver en la fuente: CVE.org · NVD

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