1. Ubuntu Security Notices
  2. USN-6933-1

USN-6933-1: ClickHouse vulnerabilities

Publication date

31 July 2024

Overview

Several security issues were fixed in ClickHouse.

Releases

Packages

  • clickhouse - column-oriented database system (cli client)

Details

It was discovered that ClickHouse incorrectly handled memory, leading to a
heap out-of-bounds data read. An attacker could possibly use this issue to
cause a denial of service, or leak sensitive information.
(CVE-2021-42387, CVE-2021-41388)

It was discovered that ClickHouse incorrectly handled memory, leading to a
heap-based buffer overflow. An attacker could possibly use this issue to
cause a denial of service, or execute arbitrary code. (CVE-2021-43305)

It was discovered that ClickHouse incorrectly handled memory, leading to a
heap out-of-bounds data read. An attacker could possibly use this issue to
cause a denial of service, or leak sensitive information.
(CVE-2021-42387, CVE-2021-41388)

It was discovered that ClickHouse incorrectly handled memory, leading to a
heap-based buffer overflow. An attacker could possibly use this issue to
cause a denial of service, or execute arbitrary code. (CVE-2021-43305)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal clickhouse-common –  18.16.1+ds-7ubuntu0.1
clickhouse-server –  18.16.1+ds-7ubuntu0.1
clickhouse-tools –  18.16.1+ds-7ubuntu0.1

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References

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