Ubuntu Security Notice 6933-1 - 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. 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.
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Ubuntu Security Notice USN-6933-1
July 31, 2024
clickhouse vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
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)
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
Package Information:
https://launchpad.net/ubuntu/+source/clickhouse/18.16.1+ds-7ubuntu0.1