CVE-2021-42391

MEDIUM

6.5

Descripcion

Divide-by-zero in Clickhouse's Gorilla compression codec when parsing a malicious query. The first byte of the compressed buffer is used in a modulo operation without being checked for 0.

Detalles CVE

Puntuacion CVSS v3.16.5

SeveridadMEDIUM

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

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado3/14/2022

Ultima modificacion6/25/2025

Fuentenvd

Avistamientos honeypot0

Productos afectados

clickhouse:clickhouse

Debilidades (CWE)

CWE-369CWE-369

Referencias

https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms(reefs@jfrog.com)

https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

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