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[ISN] Apple plugs QuickTime zero-day flaw


By Joris Evers
Staff Writer, CNET News.com
May 1, 2007

Apple on Tuesday released a QuickTime update to fix a security flaw that 
was used to breach a MacBook Pro at a recent security conference.

The media player vulnerability lies in QuickTime for Java, Apple said in 
a security alert. The hole could be exploited through a rigged Web site 
and let an attacker commandeer computers running both Mac OS X and 
Windows, the Mac maker said.

"By enticing a user to visit a Web page containing a maliciously crafted 
Java applet, an attacker can trigger the issue, which may lead to 
arbitrary code execution," Apple said. Only computers running an unfixed 
version of QuickTime would be at risk.

Security monitoring company Secunia deems the flaw "highly critical," 
one notch below its most serious rating. The update, QuickTime 7.1.6, 
repairs the problem by performing additional checking. Apple credits bug 
hunter Dino Dai Zovi and the TippingPoint Zero Day Initiative for 
reporting the issue.

Apple's fix comes just over a week after the vulnerability was used to 
grab a $10,000 prize and a MacBook Pro in a hack-a-Mac contest at the 
CanSecWest conference in Vancouver, British Columbia.

Security researcher Shane Macaulay worked with Dai Zovi to break into 
the Mac and took home the computer. Dai Zovi subsequently submitted the 
bug to TippingPoint, which sweetened the competition by offering a 
$10,000 bounty through its Zero Day Initiative program.

Apple on Tuesday also put out an updated version of a security update 
originally released last month. Version 1.1 of the 2007-004 patch 
repairs a couple of problems with the original fix, which may cause 
wireless connections to drop and allow limited FTP users access beyond 
their privileges on an Apple FTPServer, Apple said in another alert.

Apple's security updates are available through the Software Update 
application in its operating system and QuickTime software and from the 
Apple Web site.

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