Microsoft-Pushed Add-On Makes Firefox Open to Attack

Kim Mays

Microsoft quietly pushed its .NET Framework Assistant add-on into Firefox last February, but has since admitted that the add-on leaves the browser open to attack, and recommends that Firefox users install the update from this week's patches says


Once it was installed, the add-on proved particularly tedious to remove and initially required removal from the registry, which can be a dangerous task since a false move in the registry can render a PC unusable. Several Web sites posted directions on removal of the add-on since the Disable and Uninstall functions were not accessible; however, Microsoft later issued an update that allowed users to access those tools to remove the vulnerable add-on.


The vulnerability was finally patched in Tuesday's Microsoft update, but the company did not explain the origin of the flaw.

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