GSD-2019-6473
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-6473",
"description": "An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.",
"id": "GSD-2019-6473",
"references": [
"https://www.suse.com/security/cve/CVE-2019-6473.html",
"https://security.archlinux.org/CVE-2019-6473"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2019-6473"
],
"details": "An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.",
"id": "GSD-2019-6473",
"modified": "2023-12-13T01:23:49.924939Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ASSIGNER": "security-officer@isc.org",
"DATE_PUBLIC": "2019-08-28T21:08:49.000Z",
"ID": "CVE-2019-6473",
"STATE": "PUBLIC",
"TITLE": "A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Kea",
"version": {
"version_data": [
{
"version_value": "1.4.0 to 1.5.0"
},
{
"version_value": "1.6.0-beta1"
},
{
"version_value": "1.6.0-beta2"
}
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"vendor_name": "ISC"
}
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},
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"data_type": "CVE",
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"description": {
"description_data": [
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"lang": "eng",
"value": "An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.8"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "An attacker who is able to deliberately exploit this vulnerability can cause the kea-dhcp4 server to stop executing, resulting in denial of service to clients. Only the DHCPv4 service is affected by this vulnerability."
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://kb.isc.org/docs/cve-2019-6473",
"refsource": "CONFIRM",
"url": "https://kb.isc.org/docs/cve-2019-6473"
}
]
},
"solution": [
{
"lang": "eng",
"value": "Upgrade to a version of Kea containing a fix, available via\n https://www.isc.org/downloads.\n\n - Kea 1.4.0-P2\n - Kea 1.5.0-P1\n - Kea 1.6.0"
}
],
"source": {
"discovery": "INTERNAL"
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:ics:kea:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "1.5.0",
"versionStartIncluding": "1.4.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:ics:kea:1.6.0:beta2:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
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"cpe_name": [],
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"ID": "CVE-2019-6473"
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"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2."
}
]
},
"problemtype": {
"problemtype_data": [
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"description": [
{
"lang": "en",
"value": "CWE-617"
}
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}
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},
"references": {
"reference_data": [
{
"name": "https://kb.isc.org/docs/cve-2019-6473",
"refsource": "CONFIRM",
"tags": [
"Vendor Advisory"
],
"url": "https://kb.isc.org/docs/cve-2019-6473"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 6.5,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2019-10-21T18:50Z",
"publishedDate": "2019-10-16T18:15Z"
}
}
}
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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.
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- 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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