CVE-2023-48704

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    CVE-2023-48704

    Published: 22 Dec 2023Last Modified: 12 Aug 2026

    Summary: Unauthenticated heap buffer overflow in Gorrila codec decompression

    Details: ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports in real-time. A heap buffer overflow issue was discovered in ClickHouse server. An attacker could send a specially crafted payload to the native interface exposed by default on port 9000/tcp, triggering a bug in the decompression logic of Gorilla codec that crashes the ClickHouse server process. This attack does not require authentication. This issue has been addressed in ClickHouse Cloud version 23.9.2.47551 and ClickHouse versions 23.10.5.20, 23.3.18.15, 23.8.8.20, and 23.9.6.20.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48704.json, https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-5rmf-5g48-xv63, https://nvd.nist.gov/vuln/detail/CVE-2023-48704, https://github.com/ClickHouse/ClickHouse/pull/57107

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -7228475d77afaf8a59d489694343593d3b650170

    Affected versions

    v23.3.16.7-lts
    v23.3.17.13-lts
    v23.3.15.29-lts
    v23.3.14.78-lts
    v23.3.13.6-lts
    v23.3.12.11-lts
    v23.3.11.5-lts
    v23.3.10.5-lts
    v23.3.9.55-lts
    v23.3.8.21-lts
    v23.3.7.5-lts
    v23.3.6.7-lts
    v23.3.5.9-lts
    v23.3.2.37-lts
    v23.3.4.17-lts
    v23.3.3.52-lts
    v23.3.1.2823-lts

    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
    CVE-2023-48704 | CVE-DB