CVE-2021-42391

published 2022-03-14

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…

Priority P4 32 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
clickhouse	clickhouse	< 21.10.2.15	21.10.2.15
debian	clickhouse	—	—
yandex	clickhouse	>= unspecified < 21.10.2.15-stable	21.10.2.15-stable

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P

vendor_debian 6.5 LOW

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CWE-369