{"id":"UBUNTU-CVE-2014-8143","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.","modified":"2026-04-22T09:51:59.796273Z","published":"2015-01-16T00:00:00Z","related":["USN-2481-1"],"upstream":["CVE-2014-8143"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-8143"},{"type":"REPORT","url":"https://www.samba.org/samba/security/CVE-2014-8143"},{"type":"REPORT","url":"https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patch"},{"type":"REPORT","url":"https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2481-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-8143"}],"affected":[{"package":{"name":"samba","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.1.6+dfsg-1ubuntu2.14.04.4?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.1.6+dfsg-1ubuntu2.14.04.4"}]}],"versions":["2:3.6.18-1ubuntu3","2:4.0.10+dfsg-4ubuntu2","2:4.0.13+dfsg-1ubuntu1","2:4.1.3+dfsg-2ubuntu2","2:4.1.3+dfsg-2ubuntu3","2:4.1.3+dfsg-2ubuntu4","2:4.1.3+dfsg-2ubuntu5","2:4.1.6+dfsg-1ubuntu1","2:4.1.6+dfsg-1ubuntu2","2:4.1.6+dfsg-1ubuntu2.14.04.1","2:4.1.6+dfsg-1ubuntu2.14.04.2","2:4.1.6+dfsg-1ubuntu2.14.04.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss-winbind","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"libpam-smbpass","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"libpam-winbind","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"libparse-pidl-perl","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"libsmbclient","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"libsmbsharemodes0","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"libwbclient0","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"python-samba","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"registry-tools","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"samba","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"samba-common","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"samba-common-bin","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"samba-dsdb-modules","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"samba-libs","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"samba-testsuite","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"samba-vfs-modules","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"smbclient","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"},{"binary_name":"winbind","binary_version":"2:4.1.6+dfsg-1ubuntu2.14.04.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-8143.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}