| Vulnerability Name: | CVE-2018-8637 (CCN-153423) |
| Assigned: | 2018-12-11 |
| Published: | 2018-12-11 |
| Updated: | 2020-08-24 |
| Summary: | An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka "Win32k Information Disclosure Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019.
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| CVSS v3 Severity: | 5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/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): None
Availibility (A): None |
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): High
Integrity (I): High
Availibility (A): None |
|
| CVSS v2 Severity: | 2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None |
5.5 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:N)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None |
|
| Vulnerability Type: | CWE-noinfo
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| Vulnerability Consequences: | Obtain Information |
| References: | Source: MITRE
Type: CNA
CVE-2018-8637
Source: BID
Type: Third Party Advisory, VDB Entry
106095
Source: XF
Type: UNKNOWN
ms-win32k-cve20188637-info-disc(153423)
Source: CCN
Type: Microsoft Security TechCenter - December 2018
Win32k Information Disclosure Vulnerability
Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8637
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| Vulnerable Configuration: | Configuration 1:
cpe:/o:microsoft:windows_10:1803:*:*:*:*:*:*:*OR cpe:/o:microsoft:windows_10:1809:*:*:*:*:*:*:*OR cpe:/o:microsoft:windows_server_1803:-:*:*:*:*:*:x64:*OR cpe:/o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Configuration CCN 1:
cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:arm64:*
 Denotes that component is vulnerable |
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