UBUNTU-CVE-2018-14629 (CVE-2018-14629)
Vulnerability from osv_ubuntu – Published: 2018-11-27 00:00 – Updated: 2026-04-22 07:38 – Source website
VLAI
Details
A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.
Severity
6.5 (Medium)
6.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnss-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "libpam-smbpass",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "libpam-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "libparse-pidl-perl",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "libsmbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "libsmbsharemodes0",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "libwbclient0",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "python-samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "registry-tools",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "samba-common",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "samba-dsdb-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "samba-libs",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "samba-testsuite",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "samba-vfs-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "smbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
},
{
"binary_name": "winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "samba",
"purl": "pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.19?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
}
],
"type": "ECOSYSTEM"
}
],
"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",
"2:4.1.6+dfsg-1ubuntu2.14.04.4",
"2:4.1.6+dfsg-1ubuntu2.14.04.5",
"2:4.1.6+dfsg-1ubuntu2.14.04.7",
"2:4.1.6+dfsg-1ubuntu2.14.04.8",
"2:4.1.6+dfsg-1ubuntu2.14.04.9",
"2:4.1.6+dfsg-1ubuntu2.14.04.11",
"2:4.1.6+dfsg-1ubuntu2.14.04.12",
"2:4.1.6+dfsg-1ubuntu2.14.04.13",
"2:4.3.8+dfsg-0ubuntu0.14.04.2",
"2:4.3.9+dfsg-0ubuntu0.14.04.1",
"2:4.3.9+dfsg-0ubuntu0.14.04.3",
"2:4.3.11+dfsg-0ubuntu0.14.04.1",
"2:4.3.11+dfsg-0ubuntu0.14.04.2",
"2:4.3.11+dfsg-0ubuntu0.14.04.3",
"2:4.3.11+dfsg-0ubuntu0.14.04.4",
"2:4.3.11+dfsg-0ubuntu0.14.04.6",
"2:4.3.11+dfsg-0ubuntu0.14.04.7",
"2:4.3.11+dfsg-0ubuntu0.14.04.8",
"2:4.3.11+dfsg-0ubuntu0.14.04.9",
"2:4.3.11+dfsg-0ubuntu0.14.04.10",
"2:4.3.11+dfsg-0ubuntu0.14.04.11",
"2:4.3.11+dfsg-0ubuntu0.14.04.12",
"2:4.3.11+dfsg-0ubuntu0.14.04.13",
"2:4.3.11+dfsg-0ubuntu0.14.04.14",
"2:4.3.11+dfsg-0ubuntu0.14.04.16",
"2:4.3.11+dfsg-0ubuntu0.14.04.17"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ctdb",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "libnss-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "libpam-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "libparse-pidl-perl",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "libsmbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "libwbclient0",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "python-samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "registry-tools",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "samba-common",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "samba-dsdb-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "samba-libs",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "samba-testsuite",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "samba-vfs-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "smbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
},
{
"binary_name": "winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "samba",
"purl": "pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.18?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:4.1.17+dfsg-4ubuntu2",
"2:4.1.20+dfsg-1ubuntu1",
"2:4.1.20+dfsg-1ubuntu2",
"2:4.1.20+dfsg-1ubuntu3",
"2:4.1.20+dfsg-1ubuntu5",
"2:4.3.3+dfsg-1ubuntu1",
"2:4.3.3+dfsg-1ubuntu2",
"2:4.3.3+dfsg-1ubuntu3",
"2:4.3.6+dfsg-1ubuntu1",
"2:4.3.8+dfsg-0ubuntu1",
"2:4.3.9+dfsg-0ubuntu0.16.04.1",
"2:4.3.9+dfsg-0ubuntu0.16.04.2",
"2:4.3.9+dfsg-0ubuntu0.16.04.3",
"2:4.3.11+dfsg-0ubuntu0.16.04.1",
"2:4.3.11+dfsg-0ubuntu0.16.04.3",
"2:4.3.11+dfsg-0ubuntu0.16.04.5",
"2:4.3.11+dfsg-0ubuntu0.16.04.6",
"2:4.3.11+dfsg-0ubuntu0.16.04.7",
"2:4.3.11+dfsg-0ubuntu0.16.04.8",
"2:4.3.11+dfsg-0ubuntu0.16.04.9",
"2:4.3.11+dfsg-0ubuntu0.16.04.10",
"2:4.3.11+dfsg-0ubuntu0.16.04.11",
"2:4.3.11+dfsg-0ubuntu0.16.04.12",
"2:4.3.11+dfsg-0ubuntu0.16.04.13",
"2:4.3.11+dfsg-0ubuntu0.16.04.15",
"2:4.3.11+dfsg-0ubuntu0.16.04.16",
"2:4.3.11+dfsg-0ubuntu0.16.04.17"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ctdb",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "libnss-winbind",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "libpam-winbind",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "libparse-pidl-perl",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "libsmbclient",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "libwbclient0",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "python-samba",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "registry-tools",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "samba",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "samba-common",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "samba-dsdb-modules",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "samba-libs",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "samba-testsuite",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "samba-vfs-modules",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "smbclient",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
},
{
"binary_name": "winbind",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "samba",
"purl": "pkg:deb/ubuntu/samba@2:4.7.6+dfsg~ubuntu-0ubuntu2.5?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:4.6.7+dfsg-1ubuntu3",
"2:4.7.1+dfsg-1ubuntu1",
"2:4.7.3+dfsg-1ubuntu1",
"2:4.7.4+dfsg-1ubuntu1",
"2:4.7.6+dfsg~ubuntu-0ubuntu1",
"2:4.7.6+dfsg~ubuntu-0ubuntu2",
"2:4.7.6+dfsg~ubuntu-0ubuntu2.2",
"2:4.7.6+dfsg~ubuntu-0ubuntu2.4"
]
}
],
"aliases": [],
"details": "A denial of service vulnerability was discovered in Samba\u0027s LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.",
"id": "UBUNTU-CVE-2018-14629",
"modified": "2026-04-22T07:38:42Z",
"published": "2018-11-27T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-14629"
},
{
"type": "REPORT",
"url": "https://www.samba.org/samba/security/CVE-2018-14629.html"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3827-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3827-2"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-14629"
}
],
"related": [
"USN-3827-1",
"USN-3827-2"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2018-14629"
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…