Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Clickhouse | Clickhouse | >= 23.3, < 23.3.16.7 |
| Clickhouse | Clickhouse Cloud | < 23.9.2.47475 |
Related Weaknesses (CWE)
References
- https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-g22g-p6q2-x39vVendor Advisory
- https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-g22g-p6q2-x39vVendor Advisory
FAQ
What is CVE-2023-47118?
CVE-2023-47118 is a vulnerability with a CVSS score of 7.0 (HIGH). 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. ...
How severe is CVE-2023-47118?
CVE-2023-47118 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-47118?
Check the references section above for vendor advisories and patch information. Affected products include: Clickhouse Clickhouse, Clickhouse Clickhouse Cloud.