More Microsoft Patch problems MS06-042



This has been one of the “problem child” patches this time around and it looks as though it’s worse than initially thought. Apparently, instead of “just” crashing IE SP1 when viewing compressed http 1.1 web pages on WinXP SP1 or Windows 2000 SP4…. as stated in Microsoft’s bulletins, this could also lead to a buffer overflow allowing for code execution. Microsoft is saying that they are not aware of that vulnerability being exploited or impacting customers at this time. The issue that was originally reported is detailed in this knowledge base article.


Sans now has a brief on this as well. It should be noted that exploits may be available soon.

–Update 8/24/06–

Microsoft has re-released the patch now, the Microsoft bulletin can be found here.

Brian Krebs at the Security Fix has the story as well and a good brief on the history of this one. He also points out that this is for IE6 SP1 only.

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