Device Guard Code Integrity Policy bypass in Microsoft Windows

Published: 2018-06-12 22:12:12 | Updated: 2018-06-12
Severity Low
Patch available YES
Number of vulnerabilities 8
CVE ID CVE-2018-8201
CVE-2018-8212
CVE-2018-8215
CVE-2018-8216
CVE-2018-8214
CVE-2018-8217
CVE-2018-8221
CVE-2018-8211
CVSSv3 6.8 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
6.8 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
6.8 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
6.8 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
7.7 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
6.8 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
6.8 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
6.8 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows 10
Windows Server 2016
Vendor URL Microsoft

Security Advisory

1) Security feature bypass

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8201

2) Security feature bypass

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8212

3) Security feature bypass

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8215

4) Security feature bypass

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8216

5) Privilege escalation

Description

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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8214

6) Security feature bypass

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8217

7) Security feature bypass

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8221

8) Security feature bypass

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8211

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