Microsoft Windows Server 2008 Hyper-V VMBus input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability was found in Microsoft Windows Server 2008 (Operating System). It has been declared as critical. This vulnerability affects an unknown function of the component Hyper-V VMBus. 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:

Hyper-V in Microsoft Windows Server 2008 Gold, SP2, and R2 allows guest OS users to cause a denial of service (host OS hang) by sending a crafted encapsulated packet over the VMBus, aka "Hyper-V VMBus Vulnerability."

The weakness was presented 12/14/2010 by Core Security with HP as MS10-102 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2010-3960 since 10/14/2010. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Core Security and been published 7 months after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 51174 (MS10-102: Vulnerability in Hyper-V Could Allow Denial of Service (2345316)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l.

Upgrading eliminates this vulnerability. Applying the patch MS10-102 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (63564), Tenable (51174) and Exploit-DB (17401). See 4367 for similar entry.

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CPE 2.3info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Core Security
Download: 🔍

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Nessus ID: 51174
Nessus Name: MS10-102: Vulnerability in Hyper-V Could Allow Denial of Service (2345316)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Patch: MS10-102

Timelineinfo

10/14/2010 🔍
12/14/2010 +61 days 🔍
12/14/2010 +0 days 🔍
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12/15/2010 +1 days 🔍
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12/15/2010 +0 days 🔍
12/16/2010 +0 days 🔍
12/20/2010 +4 days 🔍
06/14/2011 +176 days 🔍
06/14/2011 +0 days 🔍
03/18/2021 +3565 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS10-102
Researcher: Core Security
Organization: HP
Status: Confirmed

CVE: CVE-2010-3960 (🔍)
OVAL: 🔍

X-Force: 63564
SecurityTracker: 1024884 - Microsoft Hyper-V Input Validation Flaw Lets Local Guest Operating System Users Deny Service
Vulnerability Center: 28668 - [MS10-102] Microsoft Windows Server 2008 and 2008 R2 Remote DoS Vulnerability, Medium
SecurityFocus: 45293 - Microsoft Hyper-V VMBus Denial of Service Vulnerability
Secunia: 42617 - Microsoft Windows Hyper-V VMBus Denial of Service Vulnerability, Less Critical
OSVDB: 69818 - Microsoft Windows Hyper-V VMBus Crafted Packet Local DoS
Vupen: ADV-2010-3224

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

Entryinfo

Created: 12/20/2010 01:00
Updated: 03/18/2021 14:58
Changes: 12/20/2010 01:00 (82), 04/07/2017 12:37 (20), 03/18/2021 14:58 (3)
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