CVE-2023-47118

CRITICAL EPSS 36.7%
Published Dec 20, 20232y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Dec 20, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
36.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-122
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 5

VendorProductVersionRange
clickhouseclickhouse*≥23.3  –  <23.3.16.7
clickhouseclickhouse*≥23.8  –  <23.8.6.16
clickhouseclickhouse*≥23.9  –  <23.9.4.11
clickhouseclickhouse*≥23.10  –  <23.10.2.13
clickhouseclickhouse_cloud* <23.9.2.47475

References 1

  • github.com https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-g22g-p6q2-x39v
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.