What is CVE-2022-44011?

CVE-2022-44011 is a medium-severity vulnerability in Clickhouse, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2023-11-23.

How severe is CVE-2022-44011?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2022-44011 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Clickhouse

CVE-2022-44011

An issue was discovered in ClickHouse before 22.9.1.2603. An authenticated user (with the ability to load data) could cause a heap buffer overflow and crash the server by inserting a malformed CapnProto object. 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: 0.007 (49.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Clickhouse
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

adegoodyer/kubernetes-admin-toolkit

References

cve@mitre.org (Product)

Frequently asked questions

What is CVE-2022-44011?: CVE-2022-44011 is a medium-severity vulnerability in Clickhouse, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2023-11-23.
How severe is CVE-2022-44011?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-44011 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.