SB2023091260 - Multiple vulnerabilities in Microsoft Windows GDI

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Main Vulnerability Database SB2023091260

SB2023091260 - Multiple vulnerabilities in Microsoft Windows GDI

Published: September 12, 2023 Updated: December 18, 2023

Security Bulletin ID SB2023091260
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-38161)

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

The vulnerability exists due to a use-after-free error within the UMPDDrvRealizeBrush() method in win32kfull driver. A local user can trigger a use-after-free error and execute arbitrary code on the system with elevated privileges.


2) Use-after-free (CVE-ID: CVE-2023-36804)

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

The vulnerability exists due to a use-after-free error in UMPDDrvStrokePath, UMPDDrvStrokeAndFillPath, UMPDDrvStrokeAndFillPath, UMPDDrvBitBlt, and UMPDDrvFillPath methods within the win32kfull driver. A local user can trigger a use-after-free error and execute arbitrary code on the system with kernel privileges.



Remediation

Install update from vendor's website.

References