The current version of the advisory is 1.2 and includes (in the Workarounds section) instructions for a registry hack that turns off all metafile processing.
It's not clear how much this affects real world use. Probably depends on your software and devices. Larry Seltzer eWEEK.com Security Center Editor http://security.eweek.com/ http://blogs.pcmag.com/securitywatch/ Contributing Editor, PC Magazine [EMAIL PROTECTED] ________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Richard M. Smith Sent: Monday, April 14, 2008 6:28 PM To: [email protected] Subject: Re: [funsec] exploiting MS08-021 I don't know the answer to your question, but I've asked the Microsoft security folks for some way to turn off automatically opening WMF files in IE. I made my query 3 or 4 WMF bugs ago, but got no reply. Here's my new question: Can WMF images and auto-executing exploit code be embedded in Word, Excel, and PowerPoint files? Richard From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Larry Seltzer Sent: Monday, April 14, 2008 5:34 PM To: [email protected] Subject: [funsec] exploiting MS08-021 There's exploit code out (http://www.milw0rm.com/exploits/5442) for MS08-021 (http://www.microsoft.com/technet/security/Bulletin/MS08-021.mspx) which describes GDI buffer overflows in the loading of EMF and WMF files. There were other big problems in years past in the loading of these files. Can anyone recall if the defaults for IE were changed with respect to loading these files, perhaps from an IFRAME? Thanks. Larry Seltzer eWEEK.com Security Center Editor http://security.eweek.com/ http://blogs.pcmag.com/securitywatch/ Contributing Editor, PC Magazine [EMAIL PROTECTED]
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