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