gsd-2020-8354
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-8354",
"description": "A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.",
"id": "GSD-2020-8354"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-8354"
],
"details": "A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.",
"id": "GSD-2020-8354",
"modified": "2023-12-13T01:21:54.236098Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"CVE_data_meta": {
"ASSIGNER": "psirt@lenovo.com",
"ID": "CVE-2020-8354",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "BIOS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "various"
}
]
}
}
]
},
"vendor_name": "Lenovo"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Lenovo thanks yngwei (@yngweijw) of IIE VARAS"
}
],
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"value": "A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://support.lenovo.com/us/en/product_security/LEN-49266",
"refsource": "MISC",
"url": "https://support.lenovo.com/us/en/product_security/LEN-49266"
}
]
},
"solution": [
{
"lang": "eng",
"value": "Update system firmware to the version (or newer) indicated for your model in the Product Impact section of LEN-49266."
}
],
"source": {
"advisory": "LEN-49266",
"discovery": "UNKNOWN"
}
},
"nvd.nist.gov": {
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"nodes": [
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"cpe23Uri": "cpe:2.3:o:lenovo:notebook_firmware:-:*:*:*:*:*:*:*",
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"cve": {
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"ID": "CVE-2020-8354"
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"tags": [
"Vendor Advisory"
],
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}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2020-11-30T14:42Z",
"publishedDate": "2020-11-11T18:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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