Fixed in ClickHouse Release 1.1.54388, 2018-06-28
"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
Fixed in ClickHouse Release 1.1.54390, 2018-07-06
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
Fixed in ClickHouse Release 1.1.54131, 2017-01-10
Incorrect configuration in deb package could lead to unauthorized use of the database.
Credits: the UK's National Cyber Security Centre (NCSC)