GSD-2020-7463
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-7463",
"description": "In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.",
"id": "GSD-2020-7463"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-7463"
],
"details": "In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.",
"id": "GSD-2020-7463",
"modified": "2023-12-13T01:21:51.718374Z",
"schema_version": "1.4.0"
}
},
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"STATE": "PUBLIC"
},
"affects": {
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{
"product": {
"product_data": [
{
"product_name": "FreeBSD",
"version": {
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{
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}
]
}
}
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},
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}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
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"value": "In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Use After Free"
}
]
}
]
},
"references": {
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{
"name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc",
"refsource": "MISC",
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc"
},
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},
{
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"url": "https://support.apple.com/kb/HT212325"
},
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"name": "https://support.apple.com/kb/HT212323",
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"url": "https://support.apple.com/kb/HT212323"
},
{
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"url": "https://support.apple.com/kb/HT212324"
},
{
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"url": "https://support.apple.com/kb/HT212321"
},
{
"name": "https://support.apple.com/kb/HT212318",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT212318"
},
{
"name": "20210427 APPLE-SA-2021-04-26-1 iOS 14.5 and iPadOS 14.5",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/49"
},
{
"name": "20210427 APPLE-SA-2021-04-26-2 macOS Big Sur 11.3",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/50"
},
{
"name": "20210427 APPLE-SA-2021-04-26-9 iTunes 12.11.3 for Windows",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/59"
},
{
"name": "20210427 APPLE-SA-2021-04-26-8 iCloud for Windows 12.3",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/58"
},
{
"name": "20210427 APPLE-SA-2021-04-26-7 Safari 14.1",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/57"
}
]
}
},
"nvd.nist.gov": {
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-01-09T16:41Z",
"publishedDate": "2021-03-26T21:15Z"
}
}
}
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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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