← Retour aux CVEs
CVE-2021-43304
HIGH8.8
Description
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.
Details CVE
Score CVSS v3.18.8
SeveriteHIGH
Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vecteur d'attaqueNETWORK
ComplexiteLOW
Privileges requisLOW
Interaction utilisateurNONE
Publie3/14/2022
Derniere modification6/25/2025
Sourcenvd
Observations honeypot0
Produits affectes
clickhouse:clickhousedebian:debian_linux
Faiblesses (CWE)
CWE-122CWE-787
References
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)
Correlations IOC
Aucune correlation enregistree
This product uses data from the NVD API but is not endorsed or certified by the NVD.