CVE-2014-8143

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    CVE-2014-8143

    Published: 17 Jan 2015Last Modified: 10 Apr 2026

    Summary:

    Details: Samba 4.0.x before 4.0.24, 4.1.x before 4.1.16, and 4.2.x before 4.2rc4, when an Active Directory Domain Controller (AD DC) is configured, allows remote authenticated users to set the LDB userAccountControl UF_SERVER_TRUST_ACCOUNT bit, and consequently gain privileges, by leveraging delegation of authority for user-account or computer-account creation.

    References: http://secunia.com/advisories/62594, http://www.ubuntu.com/usn/USN-2481-1, https://www.samba.org/samba/security/CVE-2014-8143, https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch, https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patch, https://www.samba.org/samba/security/CVE-2014-8143, http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00031.html, http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html, http://www.securityfocus.com/bid/72278, http://www.securitytracker.com/id/1031615, http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326, https://exchange.xforce.ibmcloud.com/vulnerabilities/100596

    Affected packages

    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