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 vulnerabilities.
1) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2021-21785)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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.