Vulnerability Name:

CVE-2018-0966 (CCN-140780)

Assigned:2017-12-01
Published:2018-04-10
Updated:2019-10-03
Summary:A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka "Device Guard Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
CVSS v3 Severity:3.3 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
3.0 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-367
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-0966

Source: BID
Type: Third Party Advisory, VDB Entry
103622

Source: CCN
Type: BID-103622
Microsoft Windows Device Guard CVE-2018-0966 Remote Security Bypass Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040660

Source: XF
Type: UNKNOWN
ms-dg-cve20180966-sec-bypass(140780)

Source: CCN
Type: Packet Storm Security [04-17-2018]
Microsoft Windows CiSetFileCache TOCTOU Incomplete Fix

Source: CCN
Type: Microsoft Security TechCenter - April 2018
Device Guard Security Feature Bypass Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0966

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [04-16-2018]

Source: EXPLOIT-DB
Type: Third Party Advisory, VDB Entry
44466

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1511:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1703:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_1709:-:*:*:*:*:*:x64:*

  • Configuration CCN 1:
  • cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1709:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft windows 10 -
    microsoft windows 10 1511
    microsoft windows 10 1607
    microsoft windows 10 1703
    microsoft windows 10 1709
    microsoft windows server 2016 -
    microsoft windows server 2016 1709
    microsoft windows 10 -
    microsoft windows 10 *
    microsoft windows server 2016
    microsoft windows server 1709