Vulnerability Monitor

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CVE-2014-8143

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.

Security Impact Summary

CVE-2014-8143 is a security vulnerability that . Impacting 1 product from samba organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-01-17T02:59:03.617

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 8.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

6.8

Impact Score

10.0

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	4.0.0	Yes
Application	samba	samba	4.0.1	Yes
Application	samba	samba	4.0.2	Yes
Application	samba	samba	4.0.3	Yes
Application	samba	samba	4.0.4	Yes
Application	samba	samba	4.0.5	Yes
Application	samba	samba	4.0.6	Yes
Application	samba	samba	4.0.7	Yes
Application	samba	samba	4.0.8	Yes
Application	samba	samba	4.0.9	Yes
Application	samba	samba	4.0.10	Yes
Application	samba	samba	4.0.11	Yes
Application	samba	samba	4.0.12	Yes
Application	samba	samba	4.0.13	Yes
Application	samba	samba	4.0.14	Yes
Application	samba	samba	4.0.15	Yes
Application	samba	samba	4.0.16	Yes
Application	samba	samba	4.0.17	Yes
Application	samba	samba	4.0.18	Yes
Application	samba	samba	4.0.19	Yes
Application	samba	samba	4.0.20	Yes
Application	samba	samba	4.0.21	Yes
Application	samba	samba	4.0.22	Yes
Application	samba	samba	4.0.23	Yes
Application	samba	samba	4.1.0	Yes
Application	samba	samba	4.1.1	Yes
Application	samba	samba	4.1.2	Yes
Application	samba	samba	4.1.3	Yes
Application	samba	samba	4.1.4	Yes
Application	samba	samba	4.1.5	Yes
Application	samba	samba	4.1.6	Yes
Application	samba	samba	4.1.7	Yes
Application	samba	samba	4.1.8	Yes
Application	samba	samba	4.1.9	Yes
Application	samba	samba	4.1.10	Yes
Application	samba	samba	4.1.11	Yes
Application	samba	samba	4.1.12	Yes
Application	samba	samba	4.1.13	Yes
Application	samba	samba	4.1.14	Yes
Application	samba	samba	4.1.15	Yes
Application	samba	samba	4.2.0	Yes
Application	samba	samba	4.2.0	Yes
Application	samba	samba	4.2.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00031.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html ([email protected])
http://secunia.com/advisories/62594 ([email protected])
http://www.securityfocus.com/bid/72278 ([email protected])
http://www.securitytracker.com/id/1031615 ([email protected])
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326 ([email protected])
http://www.ubuntu.com/usn/USN-2481-1 ([email protected])
https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch Patch ([email protected])
https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patch Patch ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/100596 ([email protected])
https://www.samba.org/samba/security/CVE-2014-8143 Patch, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00031.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/62594 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/72278 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031615 (af854a3a-2127-422b-91ae-364da2661108)
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2481-1 (af854a3a-2127-422b-91ae-364da2661108)
https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch Patch (af854a3a-2127-422b-91ae-364da2661108)
https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patch Patch (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/100596 (af854a3a-2127-422b-91ae-364da2661108)
https://www.samba.org/samba/security/CVE-2014-8143 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For samba's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.