# MA-495.072015: MyCERT Advisory - Microsoft Releases July 2015 Security Bulletin

**Date:** 16 Jul 2015  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-495.072015  
**Advisory ID:** MA-495.072015

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#### **1.0 Introduction**
Microsoft has released fourteen updates to address vulnerabilities in Microsoft Windows. Exploitation of some of these vulnerabilities could allow remote code execution or elevation of privileges. MyCERT encourages users and administrators to review Microsoft Security Bulletins MS15-058 and MS15-065 through MS15-077 and apply the necessary updates.
**2.0 The list of the Important vulnerabilities are as below:**
2.1 Vulnerabilities in SQL Server Could Allow Remote Code Execution (3065718)
This security update resolves vulnerabilities in Microsoft SQL Server. The most severe vulnerabilities could allow remote code execution if an authenticated attacker runs a specially crafted query that is designed to execute a virtual function from a wrong address, leading to a function call to uninitialized memory. To exploit this vulnerability an attacker would need permissions to create or modify a database.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-058>
2.2 Security Update for Internet Explorer (3076321)
This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-065>
2.3 Vulnerability in VBScript Scripting Engine Could Allow Remote Code Execution (3072604)
This security update resolves a vulnerability in the VBScript scripting engine in Microsoft Windows. The vulnerability could allow remote code execution if a user visits a specially crafted website. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-066>
2.4 Vulnerability in RDP Could Allow Remote Code Execution (3073094)
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends a specially crafted sequence of packets to a targeted system with Remote Desktop Protocol (RDP) enabled. By default, RDP is not enabled on any Windows operating system. Systems that do not have RDP enabled are not at risk.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-067>
2.5 Vulnerabilities in Windows Hyper-V Could Allow Remote Code Execution (3072000)
This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow remote code execution in a host context if a specially crafted application is run by an authenticated and privileged user on a guest virtual machine hosted by Hyper-V. An attacker must have valid logon credentials for a guest virtual machine to exploit this vulnerability.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-068>
2.6 Vulnerabilities in Windows Could Allow Remote Code Execution (3072631)
This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow Remote Code Execution if an attacker first places a specially crafted dynamic link library (DLL) file in the target user's current working directory and then convinces the user to open an RTF file or to launch a program that is designed to load a trusted DLL file but instead loads the attacker's specially crafted DLL file. An attacker who successfully exploited the vulnerabilities could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-069>
2.7 Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3072620)
This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-070>
2.8 Vulnerability in Netlogon Could Allow Elevation of Privilege (3068457)
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker with access to a primary domain controller (PDC) on a target network runs a specially crafted application to establish a secure channel to the PDC as a backup domain controller (BDC).
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-071>
2.9 Vulnerability in Windows Graphics Component Could Allow Elevation of Privilege (3069392)
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if Windows Graphics component fails to properly process bitmap conversions. An authenticated attacker who successfully exploited this vulnerability could elevate privileges on a targeted system. An attacker could then install programs; view, change, or delete data; or create new accounts with full administrative rights. An attacker must first log on to the system to exploit this vulnerability.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-072>
2.10 Vulnerability in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (3070102)
This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application.
- Patch: [https://technet.microsoft.com/en-us/library/security/MS15-073]( https://technet.microsoft.com/en-us/library/security/MS15-073)
2.11 Vulnerability in Windows Installer Service Could Allow Elevation of Privilege (3072630)
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if the Windows Installer service improperly runs custom action scripts. An attacker must first compromise a user who is logged on to the target system to exploit the vulnerability. An attacker could then install programs; view, change, or delete data; or create new accounts with full administrative rights.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-074>
2.12 Vulnerabilities in OLE Could Allow Elevation of Privilege (3072633)
This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if used in conjunction with another vulnerability that allows arbitrary code to be run. Once the other vulnerability has been exploited, an attacker could then exploit the vulnerabilities addressed in this bulletin to cause arbitrary code to run at a medium integrity level.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-075>
2.13 Vulnerability in Windows Remote Procedure Call Could Allow Elevation of Privilege (3067505)
This security update resolves a vulnerability in Microsoft Windows. The vulnerability, which exists in Windows Remote Procedure Call (RPC) authentication, could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application. An attacker who successfully exploited this vulnerability could take complete control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-076>
2.14 Vulnerability in ATM Font Driver Could Allow Elevation of Privilege (3077657)
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker logs on to a target system and runs a specially crafted application. An attacker who successfully exploited this vulnerability could execute arbitrary code and take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
- Patch: <https://technet.microsoft.com/en-us/library/security/MS15-077>
**3.0 Recommendation**
Users and administrators are recommended to perform the update immediately. All of the patches could be done almost automatically via the Windows Update application.
The how-to perform of the Windows Update is available at the following URL:
- [https://www.mycert.org.my/portal/articles-content?menu=b9f3fdda-c343-4cb4-99a7-a7506cfb13ba&id=62275f48-f209-4440-af1a-c5425c875fa4](https://www.mycert.org.my/portal/articles-content?menu=b9f3fdda-c343-4cb4-99a7-a7506cfb13ba&id=62275f48-f209-4440-af1a-c5425c875fa4
)
Generally, MyCERT advises the users of this software to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact MyCERT through the following channels:
E-mail : [[email protected]](/cdn-cgi/l/email-protection) or [[email protected]](/cdn-cgi/l/email-protection)
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**4.0 References**
- Microsoft Releases July 2015 Security Bulletin:
<https://www.us-cert.gov/ncas/current-activity/2015/07/14/Microsoft-Releases-July-2015-Security-Bulletin>
- Microsoft Security Bulletin Summary for July 2015:
<https://technet.microsoft.com/en-us/library/security/ms15-jul.aspx>