Microsoft Windows Vista SP2 up to Server 2016 Local Security Authority Subsystem Service access control

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

A vulnerability was found in Microsoft Windows (Operating System). It has been declared as problematic. This vulnerability affects an unknown part of the component Local Security Authority Subsystem Service. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect availability.

The weakness was presented 11/08/2016 by Laurent Gaffie as MS16-137 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability was named CVE-2016-7237 since 09/09/2016. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is necessary for exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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 94638 (MS16-137: Security Update for Windows Authentication Methods (3199173)), 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 91298 (Microsoft Windows Authentication Methods Multiple Vulnerabilities (MS16-137)).

Applying the patch MS16-137 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 (94638) and Exploit-DB (40744). See 93417 and 93419 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94638
Nessus Name: MS16-137: Security Update for Windows Authentication Methods (3199173)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 863326
OpenVAS Name: Microsoft Windows Authentication Methods Multiple Vulnerabilities (3199173)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS16-137

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/09/2016 +1 days 🔍
11/10/2016 +1 days 🔍
09/30/2022 +2150 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-137
Researcher: Laurent Gaffie
Status: Confirmed

CVE: CVE-2016-7237 (🔍)
OVAL: 🔍

SecurityTracker: 1037249
SecurityFocus: 94040 - Microsoft Windows CVE-2016-7237 Denial of Service Vulnerability

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

Entryinfo

Created: 11/09/2016 10:46
Updated: 09/30/2022 09:26
Changes: 11/09/2016 10:46 (72), 04/07/2017 13:17 (13), 09/30/2022 09:23 (5), 09/30/2022 09:26 (1)
Complete: 🔍
Cache ID: 3:366:103

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