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CVE-2021-43304
HIGH8.8
Descricao
Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopy<copy_amount>(op, ip, copy_end), don’t exceed the destination buffer’s limits.
Detalhes CVE
Pontuacao CVSS v3.18.8
SeveridadeHIGH
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-122CWE-787
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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