CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:yandex:clickhouse:*:*:*:*:*:*:*:*
Information

Published : 2022-03-14 11:15

Updated : 2022-03-22 02:58

NVD link : CVE-2021-42391

Mitre link : CVE-2021-42391

Products Affected
No products.
CWE
CWE-369

Divide By Zero