CVE-2021-23192

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    CVE-2021-23192

    Published: 2 Mar 2022Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

    References: https://security.gentoo.org/glsa/202309-06, https://ubuntu.com/security/CVE-2021-23192, https://bugzilla.redhat.com/show_bug.cgi?id=2019666, https://www.samba.org/samba/security/CVE-2021-23192.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 25f2fe02a615e2cf906b6fa495acd8ea0aa9998a
    Fixed -db11778b57610e24324aa4342f89918f66157d71

    Affected versions

    ldb-2.3.2
    ldb-2.3.1

    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-2021-23192 | CVE-DB