USN-3673-1 (UBUNTU-CVE-2017-15105)
Vulnerability from osv_ubuntu – Published: 2018-06-07 22:21 – Updated: 2026-04-22 07:36 – Source website
VLAI
Summary
unbound vulnerability
Details
Ralph Dolmans and Karst Koymans discovered that Unbound did not properly handle certain NSEC records. An attacker could use this to to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick Unbound into accepting a NODATA proof.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2017-15105",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.4.22-1ubuntu4.14.04.3"
},
{
"binary_name": "python-unbound",
"binary_version": "1.4.22-1ubuntu4.14.04.3"
},
{
"binary_name": "unbound",
"binary_version": "1.4.22-1ubuntu4.14.04.3"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.4.22-1ubuntu4.14.04.3"
},
{
"binary_name": "unbound-host",
"binary_version": "1.4.22-1ubuntu4.14.04.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.4.22-1ubuntu4.14.04.3?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.22-1ubuntu4.14.04.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.20-1",
"1.4.21-1",
"1.4.21-1ubuntu1",
"1.4.21-1ubuntu2",
"1.4.22-1ubuntu1",
"1.4.22-1ubuntu2",
"1.4.22-1ubuntu3",
"1.4.22-1ubuntu4",
"1.4.22-1ubuntu4.14.04.1",
"1.4.22-1ubuntu4.14.04.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2017-15105",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.5.8-1ubuntu1.1"
},
{
"binary_name": "python-unbound",
"binary_version": "1.5.8-1ubuntu1.1"
},
{
"binary_name": "unbound",
"binary_version": "1.5.8-1ubuntu1.1"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.5.8-1ubuntu1.1"
},
{
"binary_name": "unbound-host",
"binary_version": "1.5.8-1ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.5.8-1ubuntu1.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.8-1ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.22-1ubuntu6",
"1.5.7-1ubuntu1",
"1.5.7-1ubuntu2",
"1.5.8-1ubuntu1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2017-15105",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.6.7-1ubuntu2.1"
},
{
"binary_name": "python-unbound",
"binary_version": "1.6.7-1ubuntu2.1"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.6.7-1ubuntu2.1"
},
{
"binary_name": "unbound",
"binary_version": "1.6.7-1ubuntu2.1"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.6.7-1ubuntu2.1"
},
{
"binary_name": "unbound-host",
"binary_version": "1.6.7-1ubuntu2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.7-1ubuntu2.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6.5-1",
"1.6.7-1",
"1.6.7-1build1",
"1.6.7-1ubuntu1",
"1.6.7-1ubuntu2"
]
}
],
"aliases": [],
"details": "Ralph Dolmans and Karst Koymans discovered that Unbound did not properly\nhandle certain NSEC records. An attacker could use this to to prove the\nnon-existence (NXDOMAIN answer) of an existing wildcard record, or trick\nUnbound into accepting a NODATA proof.\n",
"id": "USN-3673-1",
"modified": "2026-04-22T07:36:35Z",
"published": "2018-06-07T22:21:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3673-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2017-15105"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "unbound vulnerability",
"upstream": [
"UBUNTU-CVE-2017-15105"
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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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
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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.
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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.
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