CVE-2019-15024

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.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.35%

Vendor Advisory clickhouse.yandex

Affected: n/a ClickHouse

References

Link	Tags
https://clickhouse.yandex/docs/en/security_changelog/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-15024?: CVE-2019-15024 has been scored as a medium severity vulnerability.
How to fix CVE-2019-15024?: To fix CVE-2019-15024, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-15024 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2019-15024 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-15024?: CVE-2019-15024 affects n/a ClickHouse.

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