Vulnerability CVE-2021-36923


Published: 2021-11-02

Description:
RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve unauthorized access to USB device privileged IN and OUT instructions (leading to Escalation of Privileges, Denial of Service, Code Execution, and Information Disclosure) via a crafted Device IO Control packet to a device.

Type:

CWE-269

(Improper Privilege Management)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Realtek -> Rtsupx usb utility driver 

 References:
https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf
https://www.sentinelone.com/resources/category/report/

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