Microsoft Windows Vista SP2 up to Server 2012 R2 NetBIOS access control

CVSS Meta Temp Score
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CTI Interest Score
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5.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Vista SP2 up to Server 2012 R2. It has been rated as critical. The impacted element is an unknown function of the component NetBIOS. The manipulation leads to access control. This vulnerability is listed as CVE-2016-3299. The attack may be initiated remotely. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). This issue affects an unknown function of the component NetBIOS. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, and integrity. The summary by CVE is:

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allow remote attackers to hijack network traffic or bypass intended Enhanced Protected Mode (EPM) or application container protection mechanisms, and consequently render untrusted content in a browser, by leveraging how NetBIOS validates responses, aka "NetBIOS Spoofing Vulnerability."

The weakness was presented 08/09/2016 with Microsoft as MS16-077 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2016-3299 since 03/15/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/07/2017). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 91605 (MS16-077: Security Update for WPAD (3165191)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Applying the patch MS16-077 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91605) and SecurityFocus (BID 92387†). See VDB-87950 and VDB-87951 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91605
Nessus Name: MS16-077: Security Update for WPAD (3165191)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 65550
OpenVAS Name: Microsoft Web Proxy Auto Discovery (WPAD) Privilege Elevation Vulnerabilities (3165191)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS16-077

Timelineinfo

03/15/2016 🔍
08/09/2016 +147 days 🔍
08/09/2016 +0 days 🔍
08/09/2016 +0 days 🔍
08/09/2016 +0 days 🔍
08/10/2016 +1 days 🔍
04/07/2017 +240 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-077
Organization: Microsoft
Status: Confirmed

CVE: CVE-2016-3299 (🔍)
GCVE (CVE): GCVE-0-2016-3299
GCVE (VulDB): GCVE-100-90713
SecurityFocus: 92387 - Microsoft Windows NetBIOS CVE-2016-3299 Spoofing Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 08/10/2016 12:36
Updated: 04/07/2017 13:31
Changes: 08/10/2016 12:36 (65), 04/07/2017 13:31 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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