Vulnerability CVE-2016-0181

Vulnerability Name:

CVE-2016-0181 (CCN-112696)

Assigned:

2015-12-04

Published:

2016-05-10

Updated:

2018-10-12

Summary:

Microsoft Windows 10 Gold and 1511 allows local users to bypass the Virtual Secure Mode Hypervisor Code Integrity (HVCI) protection mechanism and perform RWX markings of kernel-mode pages via a crafted application, aka "Hypervisor Code Integrity Security Feature Bypass."

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/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): High Availibility (A): None

5.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)
4.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/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): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

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

3.2 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-254

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2016-0181

Source: CCN
Type: Microsoft Security Bulletin MS16-066
Security Update for Virtual Secure Mode (3155451)

Source: BID
Type: UNKNOWN
90048

Source: SECTRACK
Type: UNKNOWN
1035843

Source: MS
Type: UNKNOWN
MS16-066

Source: XF
Type: UNKNOWN
ms-hyperv-cve20160181-sec-bypass(112696)

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1511:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.cisecurity:def:695	V	Hypervisor Code Integrity Security Feature Bypass (CVE-2016-0181)	2016-07-01

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