samba: Unprivileged read of deleted object tombstones in AD LDAP server
Published Jan 17, 2023
4.3
MEDIUMCVSS 3.1
EPSS 1.17%
Description
An information leak vulnerability was discovered in Samba's LDAP server. Due to missing access control checks, an authenticated but unprivileged attacker could discover the names and preserved attributes of deleted objects in the LDAP store.
Affected products
- Vendor n/a Product Samba Defaultn/a
- Version All versions from 4.0.0 onwardsStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Samba | n/a |
|
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 Enterprise Linux 8
samba
Not affected
Red Hat Storage 3
samba
Not affected
Red Hat Virtualization 4
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 Enterprise Linux 8 | samba | Not affected | n/a |
| Red Hat Storage 3 | samba | Not affected | n/a |
| Red Hat Virtualization 4 | samba | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Samba 4 packages distributed with Red Hat Enterprise Linux are built without the AD DC functionality, where this flaw is present. These packages are not affected by this vulnerability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
No CVSS v2.0 score for this CVE.
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 2, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.17% (0.01168) | 66.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.18% (0.01178) | 63.46th | v5 (v2026.06.15) |
| Apr 27, 2025 | 0.39% (0.00386) | 58.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.70% (0.01700) | 70.90th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.42% (0.00419) | 59.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00092) | 41.11th | v3 (v2023.03.01) |
| Apr 23, 2024 | 0.09% (0.00093) | 38.93th | v3 (v2023.03.01) |
| Jan 24, 2024 | 0.07% (0.00065) | 27.15th | v3 (v2023.03.01) |
| Dec 18, 2023 | 0.06% (0.00059) | 23.21th | v3 (v2023.03.01) |
| Dec 2, 2023 | 0.05% (0.00049) | 15.32th | v3 (v2023.03.01) |
| Nov 29, 2023 | 0.05% (0.00050) | 17.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Jan 18, 2023 | 0.89% (0.00885) | 27.37th | v2 (v2022.01.01) |
References (9)
- http://www.openwall.com/lists/oss-security/2023/11/28/4 Mailing List
- https://access.redhat.com/security/cve/CVE-2018-14628 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1625445 ExploitIssue TrackingPatchThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=13595 ExploitIssue TrackingPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DK57HQRTCDOZDIIICYWQ4Z5IQXTWVVW/ PatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ACVMYEP5KJRL3FWSCZW2MQZ26IVPXY62/ PatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14628
- https://security.netapp.com/advisory/ntap-20230223-0008/ Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-14628
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2023/11/28/4 | Mailing List | |
| https://access.redhat.com/security/cve/CVE-2018-14628 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1625445 | ExploitIssue TrackingPatchThird Party Advisory | |
| https://bugzilla.samba.org/show_bug.cgi?id=13595 | ExploitIssue TrackingPatchVendor Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DK57HQRTCDOZDIIICYWQ4Z5IQXTWVVW/ | PatchThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ACVMYEP5KJRL3FWSCZW2MQZ26IVPXY62/ | PatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14628 | ||
| https://security.netapp.com/advisory/ntap-20230223-0008/ | Third Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-14628 |
Change history (0)
No recorded changes yet.