SB2021070808 - Multiple vulnerabilities in IOBit Advanced SystemCare Ultimate
Published: July 8, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 secuirty vulnerabilities.
1) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21785)
The vulnerability allows a local user to disclose the sensitive information.
The vulnerability exists in the IOCTL 0x9c40a148 handling of IOBit Advanced SystemCare Ultimate. A local user can use a specially crafted I/O request packet (IRP) and gain access to sensitive information on the system.
2) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21792)
The vulnerability allows a local user to disclose the sensitive information.
The vulnerability exists the way IOBit Advanced SystemCare Ultimate driver handles Privileged I/O read requests within IN dword. A local user can use a specially crafted I/O request packet (IRP) and gain access to sensitive information on the system.
3) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21791)
The vulnerability allows a local user to disclose the sensitive information.
The vulnerability exists the way IOBit Advanced SystemCare Ultimate driver handles Privileged I/O read requests within IN word. A local user can use a specially crafted I/O request packet (IRP) and gain access to sensitive information on the system.
4) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21790)
The vulnerability allows a local user to disclose the sensitive information.
The vulnerability exists the way IOBit Advanced SystemCare Ultimate driver handles Privileged I/O read requests within IN byte. A local user can use a specially crafted I/O request packet (IRP) and gain access to sensitive information on the system.
5) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21789)
The vulnerability allows a local user to gain elevated privileges on the system.
The vulnerability exists the way IOBit Advanced SystemCare Ultimate driver handles Privileged I/O write requests within OUT dword. A local user can use a specially crafted I/O request packet (IRP) and escalate privileges.
6) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21788)
The vulnerability allows a local user to gain elevated privileges on the system.
The vulnerability exists the way IOBit Advanced SystemCare Ultimate driver handles Privileged I/O write requests within OUT word. A local user can use a specially crafted I/O request packet (IRP) and escalate privileges.
7) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21787)
The vulnerability allows a local user to gain elevated privileges on the system.
The vulnerability exists the way IOBit Advanced SystemCare Ultimate driver handles Privileged I/O write requests within OUT byte. A local user can use a specially crafted I/O request packet (IRP) and escalate privileges.
8) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21786)
The vulnerability allows a local user to gain elevated privileges on the system.
The vulnerability exists in the IOCTL 0x9c406144 handling of IOBit Advanced SystemCare Ultimate. A local user can use a specially crafted I/O request packet (IRP) and escalate privileges.
Remediation
Install update from vendor's website.