Device Guard Security Feature Bypass Vulnerability



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0007
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU6021

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-0007

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass certain security restrictions

The vulnerability exists due to insufficient validation of certain elements of a signed PowerShell script within Device Guard. A remote attacker can modify the contents of a PowerShell script without invalidating the signature associated with the file and execute it on vulnerable system.

Successful exploitation of this vulnerability may allow a remote attacker to bypass implemented signature-based protection and compromise vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Windows: 10

Windows Server: 2016 10.0.14393.10

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0007


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###