CVE-2018-20621

An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microvirt:memu:6.0.6:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-03-13 08:29

Updated : 2023-12-10 12:59

NVD link : CVE-2018-20621

Mitre link : CVE-2018-20621

CVE.ORG link : CVE-2018-20621

JSON object : View

Products Affected

microvirt

memu

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

{"id": "CVE-2018-20621", "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}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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": "2019-03-13T08:29:00.287", "references": [{"url": "https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM."}, {"lang": "es", "value": "Se ha descubierto un problema en Microvirt MEmu 6.0.6. El binario del servicio MemuService.exe es vulnerable a un escalado de privilegios local mediante la colocaci\u00f3n de binarios debido a los permisos inseguros que se establecen durante la instalaci\u00f3n. Esto permite que se ejecute c\u00f3digo como NT AUTHORITY/SYSTEM."}], "lastModified": "2019-10-03T00:03:26.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microvirt:memu:6.0.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C755161B-C52B-4B0B-ABAC-647116101192"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}