Apple Patches More Holes

Apple Patches More Holes
Apple Patches More Holes,1895,2150857,00.asp 

By Lisa Vaas
June 25, 2007

Apple has updates out for security problems in WebCoreMac OS X's HTML 
layout engineand WebKit, the application framework that serves as an 
underpinning for Apple's Safari browser as well as many other Mac 

Security Update 2007-006 takes care of an HTTP injection bug that occurs 
in WebCore's XMLHttpRequest when it's serializing headers into an HTTP 
request. The vulnerability can lead to cross-site scripting attacks if a 
victim is be lured to a maliciously crafted site.

The WebCore issue affects Mac OS X v10.3.9, Mac OS X Server v10.3.9, Mac 
OS X v10.4.9 or later, and Mac OS X Server v10.4.9 or later.

The other issue, concerning Apple's WebKit browser engine, could also 
make a Mac OS X application user vulnerable to attack if he or she were 
to visit a maliciously crafted site.

WebKit serves as an engine not only for the Safari browser but also for 
many other Mac OS X applications, including Dashboarda set of widgets 
that delivers real-time weather, stock tickers, flight status and other 
informationand Mail, the Apple mail client provided with every Mac 
operating system installation.

The problem with WebKit is an invalid type conversion when rendering 
frame sets, which can lead to memory corruption. Results range from the 
application quitting on up to a targeted system getting hijacked with 
arbitrary code execution.

Apple's update for the WebKit glitch is available for Mac OS X v10.3.9, 
Mac OS X Server v10.3.9, Mac OS X v10.4.9 or later, and Mac OS X Server 
v10.4.9 or later.

These updates can be downloaded and installed automatically via Apple's 
Software Update preferences, or from Apple Downloads.

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