CVE-2021-36923

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.

Summary:

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.

Reference Links(if available):

  • https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf
  • https://www.sentinelone.com/resources/category/report/
  • CVSS Score (if available)

    v2: / MEDIUM

    v3: /

    Links to Exploits(if available)