SB2020021118 - Multiple vulnerabilities in Microsoft Windows Kernel
Published: February 11, 2020 Updated: April 30, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2020-0736)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the Windows kernel. A local user can use a specially crafted application to trigger out-of-bounds read error and read contents of memory on the system.
2) Buffer overflow (CVE-ID: CVE-2020-0672)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing objects in memory within the Windows kernel. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.
3) Buffer overflow (CVE-ID: CVE-2020-0671)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing objects in memory within the Windows kernel. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.
4) Buffer overflow (CVE-ID: CVE-2020-0670)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing objects in memory within the Windows kernel. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.
5) Buffer overflow (CVE-ID: CVE-2020-0669)
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the Windows Kernel when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
6) Buffer overflow (CVE-ID: CVE-2020-0668)
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the Windows Kernel when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0736
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0672
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0671
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0670
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0669
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0668