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VULNERABILITIES

CVE-2021-42390 Details

Description

Divide-by-zero in Clickhouse's DeltaDouble 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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms CVEExploitThird Party Advisory
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-369Divide By Zero[email protected]
CWE-369Divide By Zero[email protected]

Affected Products

ProductVersions
clickhouse clickhouse
< 21.10.2.15

CPE

  • cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-42390
NVD Published Date:
Mar 14, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-42390 Details - Not Deferred