Microsoft SQL Server 2016 FILESTREAM Path information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft SQL Server 2016. Affected is an unknown function of the component FILESTREAM Path Handler. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2016-7252. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft SQL Server 2016 (Database Software). It has been classified as critical. This affects some unknown functionality of the component FILESTREAM Path Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Microsoft SQL Server 2016 mishandles the FILESTREAM path, which allows remote authenticated users to gain privileges via unspecified vectors, aka "SQL Analysis Services Information Disclosure Vulnerability."

The weakness was presented 11/08/2016 as MS16-136 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2016-7252 since 09/09/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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. 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 94050†). See VDB-93412, VDB-93413, VDB-93414 and VDB-93415 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / 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: 94637
Nessus Name: MS16-136: Security Update for SQL Server (3199641)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

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: 🔍

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

Patch: MS16-136

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
11/08/2016 +0 days 🔍
11/10/2016 +2 days 🔍
11/10/2016 +0 days 🔍
09/30/2022 +2150 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-136
Status: Confirmed

CVE: CVE-2016-7252 (🔍)
GCVE (CVE): GCVE-0-2016-7252
GCVE (VulDB): GCVE-100-93543

OVAL: 🔍

SecurityFocus: 94050
SecurityTracker: 1037250

See also: 🔍

Entryinfo

Created: 11/10/2016 19:03
Updated: 09/30/2022 20:26
Changes: 11/10/2016 19:03 (44), 02/24/2017 16:48 (22), 09/30/2022 20:19 (3), 09/30/2022 20:26 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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