Microsoft SQL Server 2016 RDBMS Engine access control

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft SQL Server 2016 and classified as critical. Affected by this vulnerability is an unknown functionality of the component RDBMS Engine. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2016-7249. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft SQL Server 2016 (Database Software). This vulnerability affects an unknown code of the component RDBMS Engine. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Microsoft SQL Server 2016 does not properly perform a cast of an unspecified pointer, which allows remote authenticated users to gain privileges via unknown vectors, aka "SQL RDBMS Engine Elevation of Privilege Vulnerability."

The weakness was disclosed 11/08/2016 with Microsoft as MS16-136 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability was named CVE-2016-7249 since 09/09/2016. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 94637 (MS16-136: Security Update for SQL Server (3199641)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91304 (Microsoft Security Update for SQL Server (MS16-136)).

Applying the patch MS16-136 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 (94637) and SecurityFocus (BID 94037†). The entries VDB-93413, VDB-93414, VDB-93415 and VDB-93416 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Class: Access control
CWE: CWE-264
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: 94637
Nessus Name: MS16-136: Security Update for SQL Server (3199641)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 862766
OpenVAS Name: Microsoft SQL Server Multiple Vulnerabilities (3199641)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: MS16-136

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
11/08/2016 +0 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

Advisory: MS16-136
Organization: Microsoft
Status: Confirmed

CVE: CVE-2016-7249 (🔍)
GCVE (CVE): GCVE-0-2016-7249
GCVE (VulDB): GCVE-100-93412

OVAL: 🔍

SecurityFocus: 94037 - Microsoft SQL Server CVE-2016-7249 Privilege Escalation Vulnerability
SecurityTracker: 1037250

See also: 🔍

Entryinfo

Created: 11/09/2016 10:40
Updated: 09/30/2022 09:05
Changes: 11/09/2016 10:40 (70), 05/27/2019 23:41 (12), 09/30/2022 09:05 (3)
Complete: 🔍
Cache ID: 216::103

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