GHSA-g8ph-74m6-8m7r

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    GHSA-g8ph-74m6-8m7r

    Published: 12 May 2023Last Modified: 8 Jul 2026

    Summary: ClickHouse vulnerable to client certificate password exposure in client exception

    Details: ### Summary As initially reported in issue #1331, when client certificate authentication is enabled with password protection, the password (referred to as the client option `sslkey`) may be exposed in client exceptions (e.g., ClickHouseException or SQLException). This vulnerability can potentially lead to unauthorized access, data breaches, and violations of user privacy. ### Details During the handling of ClickHouseException, the client certificate password may be inadvertently exposed when sslkey is specified. This issue can arise when an exception is thrown during the execution of a query or a database operation. The client certificate password is then included in the exception message, which could be logged or exposed to unauthorized parties. ### Impact This vulnerability enables an attacker with access to client exception error messages or logs to obtain client certificate passwords, potentially allowing unauthorized access to sensitive information, data manipulation, and denial of service attacks. The extent of the risk depends on the specific implementation and usage of the affected systems. However, any exposure of client certificate passwords should be treated as a high-priority security concern.

    Affected packages

    Package

    Name: com.clickhouse:clickhouse-client

    Purl: pkg:maven/com.clickhouse/clickhouse-client

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.4.6

    Affected versions

    0.3.2
    0.3.2-patch1
    0.3.2-patch10
    0.3.2-patch11
    0.3.2-patch2
    0.3.2-patch3
    0.3.2-patch4
    0.3.2-patch5
    0.3.2-patch6
    0.3.2-patch7
    0.3.2-patch8
    0.3.2-patch9
    0.3.2-test1
    0.3.2-test2
    0.3.2-test3

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-g8ph-74m6-8m7r | CVE-DB