fkie_cve-2021-26333
Vulnerability from fkie_nvd
Published
2021-09-21 11:15
Modified
2024-11-21 05:56
Severity ?
Summary
An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.
References
| URL | Tags | ||
|---|---|---|---|
| psirt@amd.com | http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html | Third Party Advisory, VDB Entry | |
| psirt@amd.com | http://seclists.org/fulldisclosure/2021/Sep/24 | Mailing List, Third Party Advisory | |
| psirt@amd.com | https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://seclists.org/fulldisclosure/2021/Sep/24 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| amd | chipset_driver | * | |
| amd | psp_driver | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:amd:chipset_driver:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E838E1F2-F531-4731-85E8-9FF187B0DA14",
"versionEndExcluding": "3.08.17.735",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:amd:psp_driver:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BAC847FF-5C06-42F2-BBCC-716D6824B066",
"versionEndExcluding": "5.17.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n en AMD Platform Security Processor (PSP) chipset driver. La lista de control de acceso discrecional (DACL) puede permitir a usuarios con pocos privilegios abrir una manija y enviar peticiones al controlador, resultando en un potencial filtrado de datos de p\u00e1ginas f\u00edsicas no inicializadas"
}
],
"id": "CVE-2021-26333",
"lastModified": "2024-11-21T05:56:07.600",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.9,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-09-21T11:15:07.203",
"references": [
{
"source": "psirt@amd.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html"
},
{
"source": "psirt@amd.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/24"
},
{
"source": "psirt@amd.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/24"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009"
}
],
"sourceIdentifier": "psirt@amd.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "psirt@amd.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-909"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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