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Ubuntu 20.04 LTS: USN-6933-1 Critical ClickHouse Security Update

ubuntu
Calendar Grey August 1, 2024
Dist Ubuntu Esm H88
Ubuntu 20.04 LTS ClickHouse upgrade addresses memory management vulnerabilities that pose security risks.
Several security issues were fixed in ClickHouse.

Summary

Several security issues were fixed in ClickHouse.

Software Description:

- 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-2021-43304, CVE-2021-43305)

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow ubuntu data exposure server update clickhouse

Update Instructions

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

Ubuntu 20.04 LTS
   clickhouse-common               18.16.1+ds-7ubuntu0.1
   clickhouse-server               18.16.1+ds-7ubuntu0.1
   clickhouse-tools                18.16.1+ds-7ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-6933-1

CVE-2021-42387, CVE-2021-42388, CVE-2021-43304, CVE-2021-43305

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6933-1

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow ubuntu data exposure server update clickhouse

Package Information

https://launchpad.net/ubuntu/+source/clickhouse/18.16.1+ds-7ubuntu0.1

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