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Wednesday, 11 May 2011 11:32

Microsoft patches Windows Server and PowerPoint, but makes Mac Office users wait for protection

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Along with a critical security update for Windows Server, Microsoft has patched the Windows version of PowerPoint to overcome an important vulnerability. But where's the update for the same issue in PowerPoint for Mac?


In a quiet month for system administrators, Microsoft issued just two security bulletins on May's Patch Tuesday.

The first, rated critical, resolves a privately reported vulnerability in the Windows Internet Name Service (WINS). A maliciously crafted WINS packet could trigger remote code execution.

WINS is not installed by default, and the issue only affects Windows Server 2003 and 2008 (including R2). It will only be offered to those operating systems by Windows Update if WINS has been installed.

The second issue is a pair of vulnerabilities that allow a maliciously crafted PowerPoint file to trigger remote code execution. It is only rated important as it is necessary for a user to open the file, and an exploit only gains the same rights as that user.

Affected versions are PowerPoint 2002, 2003, 2004, 2007 and 2008. Related software - Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 2; and Open XML File Format Converter for Mac - also contain the vulnerability.

There's more on May's Patch Tuesday updates on page 2.



While Microsoft has released updates for all of the Windows programs in that list, it notes that "The security updates for Microsoft Office 2004 for Mac, Microsoft Office 2008 for Mac, and Open XML File Format Converter for Mac are unavailable at this time", with no real indication of when they will be provided, other than that it will be "when testing is complete".

Microsoft also released new versions of the Malicious Software Removal Tool and the Windows Mail Junk E-mail Filter, and a revised version of previous security updates for .NET Framework 3.5 SP1 on Windows Server 2008 and Windows Vista, and .NET Framework 3.5.1 on Windows 7 and Windows Server 2008 R2 (as described in bulletin MS11-028 which was released on last month's Patch Tuesday).

Non-security updates released include fixes for some USB drivers not being updated during the installation of Windows 7 Service Pack 1 or Windows Server 2008 P2 Service Pack 1, and for the "0xC0000034" and "0xC0000009A" errors when trying to install Windows 7 Service Pack 1 or Windows 2008 R2 Service Pack 1.

 

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Stephen Withers

Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.

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