Microsoft Windows 8.1/Server 2012 R2 Hyper-V input validation

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3.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Windows 8.1/Server 2012 R2. This impacts an unknown function of the component Hyper-V. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2015-1647. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 8.1/Server 2012 R2 (Operating System). It has been declared as problematic. This vulnerability affects an unknown code block of the component Hyper-V. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

Virtual Machine Manager (VMM) in Hyper-V in Microsoft Windows 8.1 and Windows Server 2012 R2 allows guest OS users to cause a denial of service (VMM functionality loss) via a crafted application, aka "Windows Hyper-V DoS Vulnerability."

The weakness was disclosed 04/14/2015 as MS15-042 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability was named CVE-2015-1647 since 02/17/2015. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 82778 (MS15-042: Vulnerability in Windows Hyper-V Could Allow Denial of Service (3047234)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91043 (Microsoft Hyper-V Denial of Service Vulnerability (MS15-042)).

Applying the patch MS15-042 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com.

The vulnerability is also documented in the databases at Tenable (82778), SecurityFocus (BID 74015†), SecurityTracker (ID 1032117†) and Vulnerability Center (SBV-49643†). The entries VDB-74840, VDB-74839 and VDB-74838 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82778
Nessus Name: MS15-042: Vulnerability in Windows Hyper-V Could Allow Denial of Service (3047234)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows Hyper-V Denial of Service Vulnerability (3047234)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS15-042

Timelineinfo

02/17/2015 🔍
04/14/2015 +56 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/15/2015 +0 days 🔍
11/30/2024 +3517 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-042
Status: Confirmed

CVE: CVE-2015-1647 (🔍)
GCVE (CVE): GCVE-0-2015-1647
GCVE (VulDB): GCVE-100-74842

OVAL: 🔍

SecurityFocus: 74015 - Microsoft Windows Hyper-V CVE-2015-1647 Remote Denial of Service Vulnerability
SecurityTracker: 1032117 - Microsoft Hyper-V Input Validation Flaw Lets Remote Authenticated Guest Users Deny Service on the Host System
Vulnerability Center: 49643 - [MS15-042] Microsoft Windows 8.1 and Windows Server 2012 R2 Local DoS in Hyper-V - CVE-2015-1647, Low

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 04/15/2015 10:34
Updated: 11/30/2024 12:09
Changes: 04/15/2015 10:34 (71), 06/26/2017 10:29 (7), 05/06/2022 09:07 (3), 11/30/2024 12:09 (16)
Complete: 🔍
Cache ID: 216::103

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