Code injection in ClickHouse



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-18657
CWE-ID CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ClickHouse
Other software / Other software solutions

Vendor ClickHouse

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Code Injection

EUVDB-ID: #VU22472

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-18657

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the "url" table function. A remote attacker can send a specially crafted request and inject arbitrary HTTP headers on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ClickHouse: 19.1.0 - 19.13.4.32

CPE2.3 External links

https://github.com/ClickHouse/ClickHouse/blob/master/CHANGELOG.md
https://github.com/ClickHouse/ClickHouse/pull/6466
https://github.com/ClickHouse/ClickHouse/pull/7526/files


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.



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