Signature verification bypass in Microsoft Device Guard
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-11830 |
| CWE-ID | CWE-264 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Security feature bypass
EUVDB-ID: #VU9315
Risk: Medium
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-11830
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists when Device Guard incorrectly validates an untrusted file. A remote attacker can make an unsigned file appear to be signed and trusted and trick the victim into executing it.
Install updates from vendor's website.
Vulnerable software versionsWindows: 10
Windows Server: 2016
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11830
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. However, proof of concept for this vulnerability is available.
