CVE-2021-21518

Dell SupportAssist Client for Consumer PCs versions 3.7.x, 3.6.x, 3.4.x, 3.3.x, Dell SupportAssist Client for Business PCs versions 2.0.x, 2.1.x, 2.2.x, and Dell SupportAssist Client ProManage 1.x contain a DLL injection vulnerability in the Costura Fody plugin. A local user with low privileges could potentially exploit this vulnerability, leading to the execution of arbitrary executable on the operating system with SYSTEM privileges.

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/kbdoc/en-us/000184012/dsa-2021-052-dell-supportassist-for-home-pcs-business-pcs-security-update-for-pc-doctor-plugin-vulnerability	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:dell:supportassist_client_promanage:1.0:::::::*
	cpe:2.3:a:dell:supportassist_for_business_pcs:2.0.0:::::::*
	cpe:2.3:a:dell:supportassist_for_business_pcs:2.1.0:::::::*
	cpe:2.3:a:dell:supportassist_for_business_pcs:2.2.0:::::::*
	cpe:2.3:a:dell:supportassist_for_home_pcs:3.3.3:::::::*
	cpe:2.3:a:dell:supportassist_for_home_pcs:3.4.0:::::::*
	cpe:2.3:a:dell:supportassist_for_home_pcs:3.6.0:::::::*
	cpe:2.3:a:dell:supportassist_for_home_pcs:3.7.0:::::::*

History

No history.

Information

Published : 2021-03-12 20:15

Updated : 2024-02-04 21:23

NVD link : CVE-2021-21518

Mitre link : CVE-2021-21518

CVE.ORG link : CVE-2021-21518

JSON object : View

Products Affected

dell

supportassist_client_promanage
supportassist_for_business_pcs
supportassist_for_home_pcs

CWE

CWE-427

Uncontrolled Search Path Element

{"id": "CVE-2021-21518", "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": 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}]}, "published": "2021-03-12T20:15:11.420", "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000184012/dsa-2021-052-dell-supportassist-for-home-pcs-business-pcs-security-update-for-pc-doctor-plugin-vulnerability", "tags": ["Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-427"}]}, {"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-427"}]}], "descriptions": [{"lang": "en", "value": "Dell SupportAssist Client for Consumer PCs versions 3.7.x, 3.6.x, 3.4.x, 3.3.x, Dell SupportAssist Client for Business PCs versions 2.0.x, 2.1.x, 2.2.x, and Dell SupportAssist Client ProManage 1.x contain a DLL injection vulnerability in the Costura Fody plugin. A local user with low privileges could potentially exploit this vulnerability, leading to the execution of arbitrary executable on the operating system with SYSTEM privileges."}, {"lang": "es", "value": "Dell SupportAssist Client for Consumer PCs versiones 3.7.x, 3.6.x, 3.4.x, 3.3.x, Dell SupportAssist Client for Business PCs versiones 2.0.x, 2.1.x, 2.2.x y Dell SupportAssist Client ProManage versi\u00f3n 1.x, contienen una vulnerabilidad de inyecci\u00f3n DLL en el plugin Costura Fody. Un usuario local poco privilegiado podr\u00eda explotar esta vulnerabilidad, conllevando a una ejecuci\u00f3n de un ejecutable arbitrario en el sistema operativo con privilegios SYSTEM"}], "lastModified": "2021-03-19T14:30:35.640", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:dell:supportassist_client_promanage:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD3C2335-489E-4886-A576-4BBD3AC98870"}, {"criteria": "cpe:2.3:a:dell:supportassist_for_business_pcs:2.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD01BE4E-FF64-43DC-B2B7-F2F6BDA8F269"}, {"criteria": "cpe:2.3:a:dell:supportassist_for_business_pcs:2.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97A49CD3-DC0D-4404-9FBD-8BD6801E1B27"}, {"criteria": "cpe:2.3:a:dell:supportassist_for_business_pcs:2.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D5C12BF6-07A7-401E-BF43-27EEEDFA1598"}, {"criteria": "cpe:2.3:a:dell:supportassist_for_home_pcs:3.3.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7749B9C9-72A5-47C7-B8F5-5AB11CD2B130"}, {"criteria": "cpe:2.3:a:dell:supportassist_for_home_pcs:3.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39D7A1D4-D5A2-49AA-9186-0F3D345D6585"}, {"criteria": "cpe:2.3:a:dell:supportassist_for_home_pcs:3.6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1083A3BD-E9B8-40C8-83B1-218CB6D76A0A"}, {"criteria": "cpe:2.3:a:dell:supportassist_for_home_pcs:3.7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9CFC107-2F62-4FFA-BE21-582981E8D503"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}