CVE-2023-47118
7.0 · HIGHOverview
CVE-2023-47118 is a high-severity vulnerability affecting clickhouse clickhouse. It was published on December 20, 2023 and has a CVSS 3.1 base score of 7.0 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time. A heap buffer overflow issue was discovered in ClickHouse server. An attacker could send a specially crafted payload to the native interface exposed by default on port 9000/tcp, triggering a bug in the decompression logic of T64 codec that crashes the ClickHouse server process. This attack does not require authentication. Note that this exploit can also be triggered via HTTP protocol, however, the attacker will need a valid credential as the HTTP authentication take places first. This issue has been fixed in version 23.10.2.13-stable, 23.9.4.11-stable, 23.8.6.16-lts and 23.3.16.7-lts.
Remediation
Check the references section for vendor advisories and patches from clickhouse. Update clickhouse to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| clickhouse | clickhouse | >= 23.3, < 23.3.16.7 | Affected |
| clickhouse | clickhouse_cloud | >= 0, < 23.9.2.47475 | Affected |
Frequently Asked Questions
What is CVE-2023-47118?
CVE-2023-47118 is a high-severity vulnerability affecting clickhouse clickhouse. It was published on December 20, 2023 and has a CVSS 3.1 base score of 7.0 (HIGH).
How severe is CVE-2023-47118?
This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-47118?
Check the references section for vendor advisories and patches from clickhouse. Update clickhouse to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-47118?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-47118 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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