samba: Privileges elevation to Active Directory Domain Controller
Published Jan 17, 2015
8.5
HIGHCVSS 2.0
EPSS 4.26%
Description
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.
Affected products
No data.
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.0.8
- 4.0.9
- 4.0.10
- 4.0.11
- 4.0.12
- 4.0.13
- 4.0.14
- 4.0.15
- 4.0.16
- 4.0.17
- 4.0.18
- 4.0.19
- 4.0.20
- 4.0.21
- 4.0.22
- 4.0.23
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.5
- 4.1.6
- 4.1.7
- 4.1.8
- 4.1.9
- 4.1.10
- 4.1.11
- 4.1.12
- 4.1.13
- 4.1.14
- 4.1.15
- 4.2.0
- 4.2.0
- 4.2.0
No data.
Red Hat Enterprise Linux 5
samba
Not affected
Red Hat Enterprise Linux 5
samba3x
Not affected
Red Hat Enterprise Linux 6
samba
Not affected
Red Hat Enterprise Linux 6
samba4
Not affected
Red Hat Enterprise Linux 7
samba
Not affected
Red Hat Storage 2
samba
Not affected
Red Hat Storage 3
samba
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | samba | Not affected | n/a |
| Red Hat Enterprise Linux 5 | samba3x | Not affected | n/a |
| Red Hat Enterprise Linux 6 | samba | Not affected | n/a |
| Red Hat Enterprise Linux 6 | samba4 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | samba | Not affected | n/a |
| Red Hat Storage 2 | samba | Not affected | n/a |
| Red Hat Storage 3 | samba | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of samba as shipped with Red Hat Enterprise Linux 5, 6 and 7, and Red Hat Storage 2.1 and 3.0, versions of samba3x as shipped with Red Hat Enterprise Linux 5, versions of samba4 as shipped with Red Hat Enterprise Linux 6, as they did not include support for Samba Active Directory Domain Controller. All shipped Samba versions are using MIT Kerberos implementation as its Kerberos infrastructure of choice. The Samba builds shipped are using MIT Kerberos implementation in order to allow system-wide interoperability between both desktop and server applications running on the same machine.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.26% (0.04264) | 90.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.26% (0.04264) | 89.76th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.90% (0.04898) | 88.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.46% (0.09464) | 87.92th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.90% (0.04898) | 88.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.39% (0.00393) | 74.21th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.45% (0.00449) | 74.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00449) | 71.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.81% (0.01815) | 77.08th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.81% (0.01815) | 77.03th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.81% (0.01815) | 75.00th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.81% (0.01815) | 54.30th | v2 (v2022.01.01) |
References (15)
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00031.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/62594 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/72278 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031615 vdb-entryx_refsource_SECTRACK
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326 vendor-advisoryx_refsource_SLACKWARE
- http://www.ubuntu.com/usn/USN-2481-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-8143 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1181638 Issue Tracking
- https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch x_refsource_CONFIRMPatch
- https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patch x_refsource_CONFIRMPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100596 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2014-8143
- https://www.cve.org/CVERecord?id=CVE-2014-8143
- https://www.samba.org/samba/security/CVE-2014-8143 x_refsource_CONFIRMPatchVendor Advisory
Change history (0)
No recorded changes yet.