Vulnerability CVE-2017-8704

Vulnerability Name:

CVE-2017-8704 (CCN-131138)

Assigned:

2017-09-12

Published:

2017-09-12

Updated:

2017-09-21

Summary:

The Windows Hyper-V component on Microsoft Windows 10 1607 and Windows Server 2016 allows a denial of service vulnerability when it fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability".

CVSS v3 Severity:

5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)

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

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

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

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-8704

Source: BID
Type: Third Party Advisory, VDB Entry
100787

Source: CCN
Type: BID-100787
Microsoft Windows Hyper-V CVE-2017-8704 Remote Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039317

Source: XF
Type: UNKNOWN
ms-hyperv-cve20178704-dos(131138)

Source: CCN
Type: Microsoft Security TechCenter - September 2017
Hyper-V Denial of Service Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8704

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

Configuration CCN 1:

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

OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

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