CVE-2020-5388

Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

CVSS v3 6.9 MEDIUM
CVSS v2.0 4.4 MEDIUM

6.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.3 / Impact : 6.0

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dell:inspiron_15_7579_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:dell:inspiron_15_7579:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-11-10 15:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-5388

Mitre link : CVE-2020-5388

CVE.ORG link : CVE-2020-5388

JSON object : View

Products Affected

dell

inspiron_15_7579
inspiron_15_7579_firmware

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2020-5388", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.9, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 0.3}, {"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.9, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 0.3}]}, "published": "2020-11-10T15:15:12.657", "references": [{"url": "https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability", "tags": ["Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}, {"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM."}, {"lang": "es", "value": "Dell Inspiron 15 7579 2-en-1 BIOS versiones anteriores a 1.31.0, contienen una vulnerabilidad de verificaci\u00f3n de b\u00fafer de comunicaci\u00f3n SMM Inapropiada. Un usuario malicioso autenticado local podr\u00eda potencialmente explotar esta vulnerabilidad mediante el uso de una SMI para obtener una ejecuci\u00f3n de c\u00f3digo arbitraria en SMRAM"}], "lastModified": "2020-11-24T17:51:48.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dell:inspiron_15_7579_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "34B3B464-C586-4F0E-AC78-B449C4E1DCBD", "versionEndExcluding": "1.31.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dell:inspiron_15_7579:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F1E5CCCB-8F4F-443F-9989-218FEC6BD989"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security_alert@emc.com"}