Spyware, viruses, & security forum: Microsoft Security Bulletin Summary for July 2013

by: Carol~ July 9, 2013 10:39 AM PDT

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Microsoft Security Bulletin Summary for July 2013

by Carol~ Moderator - 7/9/13 10:39 AM

Microsoft Security Bulletin Summary for July 2013

Published : July 09, 2013

Microsoft released 7 new security updates today, as part of their routine monthly security update cycle. The six (6) Critical bulletins and one (1) rated as Important address 34 vulnerabilities in Microsoft Windows, Internet Explorer, .NET Framework, Silverlight, GDI+ and Windows Defender.

Microsoft also released an updated version of the Microsoft Windows Malicious Software Removal Tool on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center.

Critical: 6

MS11-052 - Vulnerabilities in .NET Framework and Silverlight Could Allow Remote Code Execution (2861561)
MS11-053 - Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2850851)
MS11-054 - Vulnerability in GDI+ Could Allow Remote Code Execution (2848295)
MS11-055 - Cumulative Security Update for Internet Explorer (2846071)
MS11-056 - Vulnerability in Microsoft DirectShow Could Allow Remote Code Execution (2845187)
MS11-057 - Vulnerability in Windows Media Format Runtime Could Allow Remote Code Execution (2847883)

Important: 1

MS11-058 - Vulnerability in Windows Defender Could Allow Elevation of Privilege (2847927)

Security Bulletin: http://technet.microsoft.com/en-us/security/bulletin/ms13-jul

* * * * * * * * * * * * * * * * * * * * * * *

For those who need to prioritize deployment, Microsoft recommends focusing on MS13-053 and MS13-055 first.

MS13-053 | Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution

This security update resolves two publicly disclosed and six privately reported vulnerabilities in Microsoft Windows. The most severe of these vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits a malicious webpage that embeds TrueType font files. An attacker who successfully exploited this vulnerability could take complete control of an affected system. We are aware of CVE-2013-3660 being used to achieve elevation of privilege in limited, targeted attacks.

MS13-055 | Cumulative Security Update for Internet Explorer

This security update resolves 17 issues in Internet Explorer that could allow remote code execution if a customer views a specially-crafted Web page using the browser. An attacker who successfully exploited these vulnerabilities could gain the same rights as the logged-on user. This security update is rated Critical for all versions of Internet Explorer, on all supported releases of Microsoft Windows. These issues were privately disclosed and we have not detected any attacks or customer impact.

See: A new policy for store apps and the July 2013 security updates

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