CVE-2020-5348

Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.dell.com/support/article/SLN320792	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:h:dell:latitude_7202:-:*:*:*:*:*:*:*

cpe:2.3:o:dell:latitude_7202_firmware:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-04-04 00:15

Updated : 2020-04-06 18:13

NVD link : CVE-2020-5348

Mitre link : CVE-2020-5348

CVE.ORG link : CVE-2020-5348

JSON object : View

Products Affected

dell

latitude_7202_firmware
latitude_7202

CWE

CWE-416

Use After Free

{"id": "CVE-2020-5348", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}]}, "published": "2020-04-04T00:15:23.840", "references": [{"url": "https://www.dell.com/support/article/SLN320792", "tags": ["Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode."}, {"lang": "es", "value": "Dell Latitude 7202 Rugged Tablet BIOS versiones anteriores a A28, contienen una vulnerabilidad de tipo UAF en EFI_BOOT_SERVICES en el modo de administraci\u00f3n de sistema. Un atacante no autenticado local puede explotar esta vulnerabilidad al sobrescribir la estructura de EFI_BOOT_SERVICES para ejecutar c\u00f3digo arbitrario en modo de administraci\u00f3n de sistema."}], "lastModified": "2020-04-06T18:13:15.220", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dell:latitude_7202:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D2ED3121-9C86-4E55-B327-E95C5C6C484A"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dell:latitude_7202_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EE4453B0-BE8D-421B-B5A2-0118164FF1E0", "versionEndExcluding": "a28"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security_alert@emc.com"}