CVE-2018-14668 Server-side request forgery in ClickHouse

High 8.8 Published 15 Aug 2019 Updated 5 Aug 2024

ClickHouse allows arbitrary symbols in connection parameters, enabling Cross Protocol Request Forgery attacks against internal services.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-14668?

CVE-2018-14668 is a high-severity server-side request forgery vulnerability in ClickHouse, published on 15 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In ClickHouse before 1.1.54388, "remote" table function allowed arbitrary symbols in "user", "password" and "default_database" fields which led to Cross Protocol Request Forgery Attacks.

Weakness: CWE-352

Which versions are affected by CVE-2018-14668?

It affects 1 product.

Products include Clickhouse Clickhouse.

How do I fix CVE-2018-14668?

No fix has been published for CVE-2018-14668 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2018-14668 being exploited?

There is no known exploitation of CVE-2018-14668 in the wild and no public exploit code.

Sources

Also known as GHSA-64r6-35gw-xgw4.