CVEs-PoC/2021/CVE-2021-21790.md

CVE-2021-21790

Description

An information disclosure vulnerability exists in the the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O read requests. A specially crafted I/O request packet (IRP) can lead to privileged reads in the context of a driver which can result in sensitive information disclosure from the kernel. The IN instruction can read two bytes from the given I/O device, potentially leaking sensitive device data to unprivileged users.

POC

Reference

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1255
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1255

Github

No PoCs found on GitHub currently.