CVE-2021-42391

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
JFROGCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
yandexclickhouse
𝑥
< 21.10.2.15
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= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
clickhouse
bullseye
18.16.1+ds-7.2+deb11u1
fixed
bookworm
18.16.1+ds-7.3
fixed
Common Weakness Enumeration
References
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms