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CVE-2021-42388
HIGH8.1
Descricao
Heap out-of-bounds read in Clickhouse's LZ4 compression codec when parsing a malicious query. As part of the LZ4::decompressImpl() loop, a 16-bit unsigned user-supplied value ('offset') is read from the compressed data. The offset is later used in the length of a copy operation, without checking the lower bounds of the source of the copy operation.
Detalhes CVE
Pontuacao CVSS v3.18.1
SeveridadeHIGH
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Vetor de ataqueNETWORK
ComplexidadeLOW
Privilegios necessariosLOW
Interacao do usuarioNONE
Publicado3/14/2022
Ultima modificacao6/25/2025
Fontenvd
Avistamentos honeypot0
Produtos afetados
clickhouse:clickhousedebian:debian_linux
Fraquezas (CWE)
CWE-125CWE-125
Referencias
https://lists.debian.org/debian-lts-announce/2022/11/msg00002.html(reefs@jfrog.com)
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms(af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/11/msg00002.html(af854a3a-2127-422b-91ae-364da2661108)
Correlacoes IOC
Sem correlacoes registradas
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