CVE-2019-15024: Medium severity clickhouse vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2019-15024?
CVE-2019-15024 is considered a high severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2019-15024?
To mitigate CVE-2019-15024, upgrade ClickHouse to version 19.14.3 or later.
What are the potential impacts of CVE-2019-15024?
CVE-2019-15024 can allow an attacker to impersonate a ClickHouse replica and potentially access sensitive data.
Who is affected by CVE-2019-15024?
All versions of ClickHouse prior to 19.14.3 are affected by CVE-2019-15024.
What actions should I take if I have CVE-2019-15024 in my environment?
If CVE-2019-15024 is present in your environment, immediately update ClickHouse to the latest version to secure it.