Path traversal in ClickHouse ClickHouse

1) Path traversal

EUVDB-ID: #VU30822

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-14672

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

In ClickHouse before 18.12.13, functions for loading CatBoost models allowed path traversal and reading arbitrary files through error messages.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ClickHouse: 18.12.0 - 18.12.12

CPE2.3

• cpe:2.3:a:clickhouse:clickhouse:18.12.0:*:*:*:*:*:*:*
• cpe:2.3:a:clickhouse:clickhouse:18.12.1:*:*:*:*:*:*:*
• cpe:2.3:a:clickhouse:clickhouse:18.12.2:*:*:*:*:*:*:*

External links

https://clickhouse.yandex/docs/en/security_changelog/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.