SB2018061228 - Device Guard Code Integrity Policy bypass in Microsoft Windows

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Main Vulnerability Database SB2018061228

SB2018061228 - Device Guard Code Integrity Policy bypass in Microsoft Windows

Published: June 12, 2018

Security Bulletin ID SB2018061228
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 8
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 8 vulnerabilities.


1) Security feature bypass (CVE-ID: CVE-2018-8201)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.



2) Security feature bypass (CVE-ID: CVE-2018-8212)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.



3) Security feature bypass (CVE-ID: CVE-2018-8215)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.



4) Security feature bypass (CVE-ID: CVE-2018-8216)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.



5) Privilege escalation (CVE-ID: CVE-2018-8214)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper management of the virtual registry by the Windows Desktop Bridge. A local attacker can run a specially crafted application and run arbitrary code in kernel mode.


6) Security feature bypass (CVE-ID: CVE-2018-8217)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.



7) Security feature bypass (CVE-ID: CVE-2018-8221)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.



8) Security feature bypass (CVE-ID: CVE-2018-8211)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.



Remediation

Install update from vendor's website.

References