CVE-2021-36925

RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve an arbitrary read or write operation from/to physical memory (leading to Escalation of Privileges, Denial of Service, Code Execution, and Information Disclosure) via a crafted Device IO Control packet to a device.

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.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf	Vendor Advisory
https://www.sentinelone.com/resources/category/report/	Not Applicable

Configurations

Configuration 1 (hide)

cpe:2.3:a:realtek:rtsupx_usb_utility_driver:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-11-02 13:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-36925

Mitre link : CVE-2021-36925

CVE.ORG link : CVE-2021-36925

JSON object : View

Products Affected

realtek

rtsupx_usb_utility_driver

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-36925", "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}]}, "published": "2021-11-02T13:15:07.807", "references": [{"url": "https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.sentinelone.com/resources/category/report/", "tags": ["Not Applicable"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve an arbitrary read or write operation from/to physical memory (leading to Escalation of Privileges, Denial of Service, Code Execution, and Information Disclosure) via a crafted Device IO Control packet to a device."}, {"lang": "es", "value": "El archivo RtsUpx.sys en Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio versiones hasta 1.14.0.0, permite a usuarios locales poco privilegiado realizar una operaci\u00f3n de lectura o escritura arbitraria desde/a la memoria f\u00edsica (conllevando a una escalada de privilegios, una denegaci\u00f3n de servicio, una ejecuci\u00f3n de c\u00f3digo y una divulgaci\u00f3n de informaci\u00f3n) por medio de un paquete de control de entrada y salida de dispositivos dise\u00f1ado"}], "lastModified": "2021-11-08T15:05:00.423", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:realtek:rtsupx_usb_utility_driver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "45F7AAA7-F155-4CD3-9815-79F6F9A32DB7", "versionEndIncluding": "1.14.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}