SB2024100894 - Multiple vulnerabilities in Microsoft Windows Kernel



SB2024100894 - Multiple vulnerabilities in Microsoft Windows Kernel

Published: October 8, 2024

Security Bulletin ID SB2024100894
Severity
Medium
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 17% Low 83%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Use of uninitialized resource (CVE-ID: CVE-2024-43502)

The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources in Windows Kernel. A local user can pass specially crafted data to the application, trigger uninitialized usage of resources and gain elevated privileges on the target system.


2) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2024-43511)

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in Windows Kernel. A local user can gain elevated privileges on the target system.


3) Heap-based buffer overflow (CVE-ID: CVE-2024-43527)

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

The vulnerability exists due to a boundary error in Windows Kernel. A local user can pass specially crafted data to the application, trigger a heap-based buffer overflow and gain elevated privileges on the target system.


4) NULL pointer dereference (CVE-ID: CVE-2024-43520)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in Windows Kernel. A remote user can trick a victim to open as pecially crafted file and perform a denial of service (DoS) attack.


5) Untrusted Pointer Dereference (CVE-ID: CVE-2024-37979)

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

The vulnerability exists due to untrusted pointer dereference in Windows Kernel. A local administrator can gain elevated privileges on the target system.


6) Use-after-free (CVE-ID: CVE-2024-43570)

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Windows Kernel. A local administrator can gain elevated privileges on the target system.


Remediation

Install update from vendor's website.