National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

    Vulnerabilities Detail

CVE-2018-8256 Detail

Current Description

A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files, aka "Microsoft PowerShell Remote Code Execution Vulnerability." This affects Windows RT 8.1, PowerShell Core 6.0, Microsoft.PowerShell.Archive 1.2.2.0, Windows Server 2016, Windows Server 2012, Windows Server 2008 R2, Windows Server 2019, Windows 7, Windows Server 2012 R2, PowerShell Core 6.1, Windows 10 Servers, Windows 10, Windows 8.1.

Source:  MITRE
Description Last Modified:  11/13/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.8

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105781 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1042108 Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8256 Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Access Control (CWE-284)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:microsoft:microsoft.powershell.archive:1.2.2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:powershell_core:6.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:powershell_core:6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-8256
NVD Published Date:
11/13/2018
NVD Last Modified:
12/13/2018