Re: How do we get rid of "application downloaded from the internet" warnings?
Re: How do we get rid of "application downloaded from the internet" warnings?
- Subject: Re: How do we get rid of "application downloaded from the internet" warnings?
- From: Jens Alfke <email@hidden>
- Date: Mon, 31 Oct 2011 21:24:02 -0700
On Oct 31, 2011, at 5:56 PM, Kyle Sluder wrote:
> Nah, there's something odd about the quarantine system in the current
> OS… download a file with Safari, double-click it, and it warns about
> opening an app from the Internet.
That’s actually appropriate depending on the file type — for instance, HTML files can run embedded JavaScripts with elevated permissions (a number of email-spread Trojans spread this way) and even TrueType fonts can be dangerous if there are bugs in the font renderer's hinting bytecode interpreter (Chrome had to go to some lengths to sandbox this.)
PNG files shouldn’t have any dangers, but my point is that it sounded like some of the files the OP downloaded weren’t actually PNG, or were perhaps corrupt enough to look like some other filetype to the OS.
—Jens_______________________________________________
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