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ActiveX security faces storm before calm
Robert Lemos, SecurityFocus 2006-07-31

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The result is that many security-conscious system administrators and users shy away from the software. Source-code security firm Fortify, which looks to its customers for where to focus its efforts, has rarely looked at ActiveX because its customers are wary of the security problems posed by the software.

"I'm pretty sure what we would find--a lot of problems," said Brian Chess, Fortify's chief scientist. "You take the problems of Javascript and multiply it by a large number."

To minimize the danger of attack in the future, Microsoft plans to disable by default all but the most commonly used ActiveX controls in its coming browser, Internet Explorer 7. Moreover, the company will also use more informative warnings to users before allowing them to install new ActiveX controls, a feature the software giant calls ActiveX Opt-in.

"ActiveX Opt-in removes the default ability for malicious websites to load any ActiveX control as a means to attack a system," Microsoft said in a statement sent to SecurityFocus. "When a website attempts to load a control IE has never used before, the information bar will be displayed to advise the users a trust decision is required."

The software giant said that users who want more security now can upgrade to the third beta version of IE 7. The final version will be pushed out as a high-priority update via the company's Automatic Updates distribution channel in the fourth quarter of this year. Users will be notified that the update is available can can make a choice of whether to download it. Microsoft is also making a policy tool available for companies that want to block the notification to employees.

Upgrading to Internet Explorer 7 will require that the Windows user authenticate their system using Microsoft's Windows Genuine Advantage antipiracy tool.

The security improvements in Internet Explorer will make the latest flaws found by Metaploit's Moore go away, the security researcher said.

"Assuming everyone switches to IE 7, the easiest way to load ActiveX controls go away," he said. "So these issues pretty much go away with Internet Explorer 7."


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Comments Mode:
ActiveX Opt-In Overrated 2006-07-31
Matthew Murphy
Micro$oft, microsecurity 2006-08-01
assurbanipal
ActiveX security faces storm before calm 2006-08-03
Juha-Matti Laurio


 

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