Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2019-16536
CVE-2019-16536:
ClickHouse vulnerability analysis and mitigation
Overview
Stack overflow leading to DoS (Denial of Service) vulnerability identified as CVE-2019-16536 was discovered in Clickhouse versions before 19.14.3.3. The vulnerability could be exploited by a malicious authenticated client (ClickHouse Changelog).
Technical details
The vulnerability is classified as a stack overflow issue that could lead to a Denial of Service condition. According to the CVSS v4.0 scoring, it received a HIGH severity rating of 8.2 with the following vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H. The vulnerability requires high privileges (authenticated access) to exploit (NVD).
Impact
When successfully exploited, the vulnerability can result in a Denial of Service condition affecting the availability of the Clickhouse server. The attack requires authentication, which somewhat limits its potential impact (ClickHouse Changelog).
Mitigation and workarounds
The vulnerability was fixed in Clickhouse version 19.14.3.3. Users are advised to upgrade to this version or later to mitigate the risk. No alternative workarounds have been publicly documented (ClickHouse Changelog).
Additional resources
Source: This report was generated using AI
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