Vulnerability CVE-2023-23423 - CERT Civis.Net

Vulnerability Name:

CVE-2023-23423 (CCN-249092)

Assigned:

2023-03-14

Published:

2023-03-14

Updated:

2023-04-27

Summary:

Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in the Kernel. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to obtain SYSTEM privileges.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Consequences:

Gain Privilege

References:

Source: MITRE
Type: CNA
CVE-2023-23423

Source: XF
Type: UNKNOWN
ms-windows-cve202323423-priv-esc(249092)

Source: secure@microsoft.com
Type: Patch, Vendor Advisory
secure@microsoft.com

Source: CCN
Type: Microsoft Security TechCenter - March 2023
CVE-2023-23423 - Windows Kernel Elevation of Privilege Vulnerability

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10:21h1:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*

AND

cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1809::~~~~x64~:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1809:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10:1607::~~~~x64~:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:20h2:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_server:20h2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_11:22h2:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_11:22h2:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_11_21h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_11_21h2:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*

Denotes that component is vulnerable