CVE-2019-15024 Information

Description

In all versions of ClickHouse before 19.14.3 an attacker having write access to ZooKeeper and who is able to run a custom server available from the network where ClickHouse runs can create a custom-built malicious server that will act as a ClickHouse replica and register it in ZooKeeper. When another replica will fetch data part from the malicious replica it can force clickhouse-server to write to arbitrary path on filesystem.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

https://clickhouse.yandex/docs/en/security_changelog/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5