## Fixed in ClickHouse Release 19.14.3.3, 2019-09-10
### CVE-2019-15024
Аn 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.
Credits: Eldar Zaitov of Yandex Information Security Team
### CVE-2019-16535
Аn OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.
Credits: Eldar Zaitov of Yandex Information Security Team
### CVE-2019-16536
Stack overflow leading to DoS can be triggered by malicious authenticated client.
Credits: Eldar Zaitov of Yandex Information Security Team
"remote" table function allowed arbitrary symbols in "user", "password" and "default_database" fields which led to Cross Protocol Request Forgery Attacks.
Credits: Andrey Krasichkov of Yandex Information Security Team
ClickHouse MySQL client had "LOAD DATA LOCAL INFILE" functionality enabled that allowed a malicious MySQL database read arbitrary files from the connected ClickHouse server.
Credits: Andrey Krasichkov and Evgeny Sidorov of Yandex Information Security Team