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AUSCERT External Security Bulletin Redistribution
ESB-2016.2674
Microsoft Security Bulletin MS16-136 - Important: Security
Update for SQL Server (3199641)
9 November 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft SQL Server
Publisher: Microsoft
Operating System: Windows
Impact/Access: Increased Privileges -- Existing Account
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2016-7254 CVE-2016-7253 CVE-2016-7252
CVE-2016-7251 CVE-2016-7250 CVE-2016-7249
Original Bulletin:
https://technet.microsoft.com/en-us/library/security/MS16-136
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Microsoft Security Bulletin MS16-136 - Important: Security Update for SQL
Server (3199641)
Severity: Important
Version: 1.0
Published Date: November 8, 2016
Executive Summary
This security update resolves vulnerabilities in Microsoft SQL Server. The
most severe vulnerabilities could allow an attacker could to gain elevated
privileges that could be used to view, change, or delete data; or create
new accounts. The security
update addresses these most severe vulnerabilities by correcting how SQL
Server handles pointer casting.
This security update is rated Important for supported editions of Microsoft
SQL Server 2012 Service Packs 2 and 3, Microsoft SQL Server 2014 Service
Packs 1 and 2, and Microsoft SQL Server 2016.
Affected Software
SQL Server 2012 Service Pack 2
SQL Server 2012 Service Pack 3
SQL Server 2014 Service Pack 1
SQL Server 2014 Service Pack 2
SQL Server 2016
Vulnerability Information
Multiple SQL RDBMS Engine Elevation of Privilege Vulnerabilities
An elevation of privilege vulnerability exists in Microsoft SQL Server
when it improperly handles pointer casting. An attacker could exploit the
vulnerability if their credentials allow access to an affected SQL server
database. An attacker who successfully exploited this vulnerability could
gain elevated privileges that could be used to view, change, or delete data;
or create new accounts.
The security update addresses the vulnerability by correcting how SQL
Server handles pointer casting.
The following table contains links to the standard entry for each
vulnerability in the Common Vulnerabilities and Exposures list:
Vulnerability title CVE number Publicly disclosed Exploited
SQL RDBMS Engine Elevation of Privilege Vulnerability CVE-2016-7249 No No
SQL RDBMS Engine Elevation of Privilege Vulnerability CVE-2016-7250 No No
SQL RDBMS Engine Elevation of Privilege Vulnerability CVE-2016-7254 No No
MDS API XSS Vulnerability- CVE-2016-7251
An XSS vulnerability exists in SQL Server MDS that could allow an attacker
to inject a client-side script into the user's instance of Internet
Explorer. The vulnerability is caused when the SQL Server MDS does not
properly validate a request parameter on the SQL Server site. The script
could spoof content, disclose information, or take any action that the
user could take on the site on behalf of the targeted user.
The security update addresses the vulnerability by correcting how SQL
Server MDS validates the request parameter.
The following table contains a link to the standard entry for the
vulnerability in the Common Vulnerabilities and Exposures list:
Vulnerability title CVE number Publicly disclosed Exploited
SQL RDBMS Engine Elevation of Privilege Vulnerability CVE-2016-7251 No No
SQL Analysis Services Information Disclosure Vulnerability - CVE-2016-7252
An information Disclosure vulnerability exists in Microsoft SQL Analysis
Services when it improperly checks filestream path. An attacker could exploit
the vulnerability if their credentials allow access to an affected SQL
server database. An attacker who successfully exploited this vulnerability
could gain additional database and file information.
The security update addresses the vulnerability by correcting how SQL
Server handles filestream path.
The following table contains a link to the standard entry for the
vulnerability in the Common Vulnerabilities and Exposures list:
Vulnerability title CVE number Publicly disclosed Exploited
SQL Analysis Services Information Disclosure Vulnerability CVE-2016-7252 No No
SQL Server Agent Information Disclosure Vulnerability - CVE-2016-7253
An elevation of privilege vulnerability exists in Microsoft SQL Server Engine
when SQL Server Agent incorrectly check ACLs on atxcore.dll. An attacker
could exploit the vulnerability if their credentials allow access to an
affected SQL server database. An attacker who successfully exploited this
vulnerability could gain elevated privileges that could be used to view,
change, or delete data; or create new accounts.
The security update addresses the vulnerability by correcting how SQL
Server Engine handles ACLs.
The following table contains a link to the standard entry for the
vulnerability in the Common Vulnerabilities and Exposures list:
Vulnerability title CVE number Publicly disclosed Exploited
SQL Server Agent Information Disclosure Vulnerability CVE-2016-7253 No No
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