SB2022101157 - Multiple vulnerabilities in Microsoft Windows Graphics Component

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-38051)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the Windows Graphics Component, which leads to security restrictions bypass and privilege escalation.

2) Use-after-free (CVE-ID: CVE-2022-37997)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the win32kfull driver. A local user can trigger a use-after-free error and execute arbitrary code with SYSTEM privileges.

3) Information disclosure (CVE-ID: CVE-2022-37985)

The vulnerability allows a loca user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the Windows Graphics Component. A local user can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-38051
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37997
• https://www.zerodayinitiative.com/advisories/ZDI-22-1412/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37985