fkie_cve-2021-38578
Vulnerability from fkie_nvd
Published
2022-03-03 22:15
Modified
2024-11-21 06:17
Severity ?
7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| infosec@edk2.groups.io | https://bugzilla.tianocore.org/show_bug.cgi?id=3387 | Issue Tracking, Vendor Advisory | |
| infosec@edk2.groups.io | https://www.insyde.com/security-pledge/SA-2023024 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.tianocore.org/show_bug.cgi?id=3387 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.insyde.com/security-pledge/SA-2023024 | Third Party Advisory |
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A2B1E98B-2D63-42E3-B6F8-139CC32BA4B0",
"versionEndIncluding": "202202",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:insyde:kernel:5.0:*:*:*:*:*:*:*",
"matchCriteriaId": "FFCC4619-B867-4E23-AF05-FF92B43628AF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:insyde:kernel:5.1:*:*:*:*:*:*:*",
"matchCriteriaId": "FB40061A-BEDF-4D72-BF2D-D1B10EB80A60",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:insyde:kernel:5.2:*:*:*:*:*:*:*",
"matchCriteriaId": "9D6AFE61-A2A4-49DF-A8EE-B2F425DA7A08",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:insyde:kernel:5.3:*:*:*:*:*:*:*",
"matchCriteriaId": "D21132C0-F2CF-4134-A165-926155031913",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:insyde:kernel:5.4:*:*:*:*:*:*:*",
"matchCriteriaId": "6549F7F1-A438-4C84-9D66-C89C697E2A9B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:insyde:kernel:5.5:*:*:*:*:*:*:*",
"matchCriteriaId": "DE339FA1-8572-4365-B420-530D62686C08",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize."
},
{
"lang": "es",
"value": "Unas comprobaciones existentes de CommBuffer en SmmEntryPoint no detectan el desbordamiento cuando es calculado BufferSize"
}
],
"id": "CVE-2021-38578",
"lastModified": "2024-11-21T06:17:33.740",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 6.0,
"source": "infosec@edk2.groups.io",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-03-03T22:15:08.423",
"references": [
{
"source": "infosec@edk2.groups.io",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.tianocore.org/show_bug.cgi?id=3387"
},
{
"source": "infosec@edk2.groups.io",
"tags": [
"Third Party Advisory"
],
"url": "https://www.insyde.com/security-pledge/SA-2023024"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.tianocore.org/show_bug.cgi?id=3387"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.insyde.com/security-pledge/SA-2023024"
}
],
"sourceIdentifier": "infosec@edk2.groups.io",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-124"
}
],
"source": "infosec@edk2.groups.io",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…