USN-6998-1 (UBUNTU-CVE-2024-43167)
Vulnerability from osv_ubuntu – Published: 2024-09-11 01:33 – Updated: 2026-06-29 10:53 – Source website
VLAI
Summary
unbound vulnerabilities
Details
It was discovered that Unbound incorrectly handled string comparisons, which could lead to a NULL pointer dereference. An attacker could potentially use this issue to cause a denial of service. (CVE-2024-43167)
It was discovered that Unbound incorrectly handled memory in cfg_mark_ports, which could lead to a heap buffer overflow. A local attacker could potentially use this issue to cause a denial of service or execute arbitrary code. (CVE-2024-43168)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-43167",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2024-43168",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm1"
},
{
"binary_name": "python-unbound",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm1"
},
{
"binary_name": "unbound",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm1"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm1"
},
{
"binary_name": "unbound-host",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.4.22-1ubuntu4.14.04.3+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.22-1ubuntu4.14.04.3+esm1"
}
],
"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",
"1.4.22-1ubuntu4.14.04.3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-43167",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2024-43168",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.5.8-1ubuntu1.1+esm1"
},
{
"binary_name": "python-unbound",
"binary_version": "1.5.8-1ubuntu1.1+esm1"
},
{
"binary_name": "unbound",
"binary_version": "1.5.8-1ubuntu1.1+esm1"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.5.8-1ubuntu1.1+esm1"
},
{
"binary_name": "unbound-host",
"binary_version": "1.5.8-1ubuntu1.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.5.8-1ubuntu1.1+esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.8-1ubuntu1.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.22-1ubuntu6",
"1.5.7-1ubuntu1",
"1.5.7-1ubuntu2",
"1.5.8-1ubuntu1",
"1.5.8-1ubuntu1.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-43167",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2024-43168",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.6.7-1ubuntu2.6+esm2"
},
{
"binary_name": "python-unbound",
"binary_version": "1.6.7-1ubuntu2.6+esm2"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.6.7-1ubuntu2.6+esm2"
},
{
"binary_name": "unbound",
"binary_version": "1.6.7-1ubuntu2.6+esm2"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.6.7-1ubuntu2.6+esm2"
},
{
"binary_name": "unbound-host",
"binary_version": "1.6.7-1ubuntu2.6+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.6+esm2?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.7-1ubuntu2.6+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6.5-1",
"1.6.7-1",
"1.6.7-1build1",
"1.6.7-1ubuntu1",
"1.6.7-1ubuntu2",
"1.6.7-1ubuntu2.1",
"1.6.7-1ubuntu2.2",
"1.6.7-1ubuntu2.3",
"1.6.7-1ubuntu2.4",
"1.6.7-1ubuntu2.5",
"1.6.7-1ubuntu2.6"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-43167",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2024-43168",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound8",
"binary_version": "1.9.4-2ubuntu1.8"
},
{
"binary_name": "python-unbound",
"binary_version": "1.9.4-2ubuntu1.8"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.9.4-2ubuntu1.8"
},
{
"binary_name": "unbound",
"binary_version": "1.9.4-2ubuntu1.8"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.9.4-2ubuntu1.8"
},
{
"binary_name": "unbound-host",
"binary_version": "1.9.4-2ubuntu1.8"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.8?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.9.4-2ubuntu1.8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.0-2ubuntu1",
"1.9.0-2ubuntu2",
"1.9.4-2",
"1.9.4-2ubuntu1",
"1.9.4-2ubuntu1.1",
"1.9.4-2ubuntu1.2",
"1.9.4-2ubuntu1.3",
"1.9.4-2ubuntu1.4",
"1.9.4-2ubuntu1.5",
"1.9.4-2ubuntu1.6"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-43167",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2024-43168",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound8",
"binary_version": "1.13.1-1ubuntu5.7"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.13.1-1ubuntu5.7"
},
{
"binary_name": "unbound",
"binary_version": "1.13.1-1ubuntu5.7"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.13.1-1ubuntu5.7"
},
{
"binary_name": "unbound-host",
"binary_version": "1.13.1-1ubuntu5.7"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.7?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.13.1-1ubuntu5.7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.13.1-1ubuntu1",
"1.13.1-1ubuntu3",
"1.13.1-1ubuntu5",
"1.13.1-1ubuntu5.1",
"1.13.1-1ubuntu5.2",
"1.13.1-1ubuntu5.3",
"1.13.1-1ubuntu5.4",
"1.13.1-1ubuntu5.5"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-43167",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2024-43168",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound8",
"binary_version": "1.19.2-1ubuntu3.2"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.19.2-1ubuntu3.2"
},
{
"binary_name": "unbound",
"binary_version": "1.19.2-1ubuntu3.2"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.19.2-1ubuntu3.2"
},
{
"binary_name": "unbound-host",
"binary_version": "1.19.2-1ubuntu3.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.19.2-1ubuntu3.2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.19.2-1ubuntu3.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.17.1-2",
"1.18.0-2ubuntu1",
"1.18.0-2ubuntu2",
"1.19.1-1ubuntu1",
"1.19.2-1ubuntu1",
"1.19.2-1ubuntu3",
"1.19.2-1ubuntu3.1"
]
}
],
"aliases": [],
"details": "It was discovered that Unbound incorrectly handled string comparisons,\nwhich could lead to a NULL pointer dereference. An attacker could \npotentially use this issue to cause a denial of service. (CVE-2024-43167)\n\nIt was discovered that Unbound incorrectly handled memory in \ncfg_mark_ports, which could lead to a heap buffer overflow. A local \nattacker could potentially use this issue to cause a denial of service\nor execute arbitrary code. (CVE-2024-43168)\n",
"id": "USN-6998-1",
"modified": "2026-06-29T10:53:16Z",
"published": "2024-09-11T01:33:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6998-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2024-43167"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2024-43168"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "unbound vulnerabilities",
"upstream": [
"UBUNTU-CVE-2024-43167",
"UBUNTU-CVE-2024-43168"
]
}
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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.
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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
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.
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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.
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