Buffer overflow in Clickhouse

CVE-2022-44010

An issue was discovered in ClickHouse before 22.9.1.2603. An attacker could send a crafted HTTP request to the HTTP Endpoint (usually listening on port 8123 by default), causing a heap-based buffer overflow that crashes the process. This does not require authentication. The fixed versions are 22.9.1.2603, 22.8.2.11, 22.7.4.16, 22.6.6.16, and 22.3.12.19.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (58.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-44010?
CVE-2022-44010 is a high-severity vulnerability in Clickhouse, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-11-23.
How severe is CVE-2022-44010?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-44010 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.