1) Protection Mechanism Failure

Severity: Low

CVSSv3: 3.3 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0644

CWE-ID: CWE-693 - Protection Mechanism Failure

Description

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

The vulnerability exists due to Microsoft Windows implements predictable memory section names. An attacker can use this vulnerability along with another issue to bypass implemented security restrictions and elevate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 8.1, 10, 10 1607, 10 1709, 10 1803, 10 1809, 10 1903, 10 1909, RT 8.1

Windows Server: 1803, 1903, 1909, 2012, 2012 R2, 2016, 2019

CPE

• cpe:/a:microsoft:windows:10 1803:
• cpe:/a:microsoft:windows:10 1809:
• cpe:/a:microsoft:windows:10 1709:
• cpe:/a:microsoft:windows:10 1903:
• cpe:/a:microsoft:windows:10:
• cpe:/a:microsoft:windows:10 1607:
• cpe:/a:microsoft:windows:8.1:
• cpe:/a:microsoft:windows:RT 8.1:
• cpe:/a:microsoft:windows:10 1909:
• cpe:/a:microsoft:windows_server:1803:
• cpe:/a:microsoft:windows_server:2019:
• cpe:/a:microsoft:windows_server:1903:
• cpe:/a:microsoft:windows_server:2016:
• cpe:/a:microsoft:windows_server:2012:
• cpe:/a:microsoft:windows_server:2012 R2:
• cpe:/a:microsoft:windows_server:1909:

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0644

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.