IE may share Mozilla 'shell:' flaw

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Mozilla, the browser that's weaning a portion of the Internet Explorer faithful away from Redmond's offerings, discovered last week that it had a security hole – not good news for a browser that's been touted by followers as a winner on security. This week, it seems the very same hole could be turning up in IE.

Secunia, which tracks software vulnerabilities and shared Mozilla's flaw with the public, has announced that IE could be equally vulnerable.

The flaw means that MSN Messenger and Word could allow malware merchants to run programs via embedded links included in Word documents or IM messages as it doesn't protect access to the "shell:" functionality.

The Mozilla Foundation has already issued a patch. Microsoft is investigating the possibility of Internet Explorer being vulnerable to the same flaw but has heard of no reported cases of the hole being used as a basis for attacks.

Talkback

A detail the Mozilla shell was OK per se, it's a problem in Windows that makes the shell potentially risky.

A curiosity: I wanted to quote the title, author and URL of this article somewhere, but someone pointed out there was an "invisible image hotlink". So I checked the html. Indeed, there was a line saying:

< DIV >< IMG height=3 alt="" hspace=0 src="http:// news.zdnet.co.uk/i/b.gif" width=1 >< /DIV > [spaces added to prevent it from working]

Is it on purpose that the image tag is not closed, so that you can track copy-pastes by - unwitting - bandwidth thefts?

Cheers

via Facebook 14 July, 2004 15:30
Reply

Am I reading this right? For Microsoft to bother fixing it, someone has to exploit it?

Actually it kind of makes sense. I guess there's so many MS Vulnerabilities (TM) that are being exploited they don't have time to fix the ones noone using... yet.

via Facebook 16 July, 2004 11:24
Reply

I seem to recall the vulnerability being not with Mozilla, but rather with the way that WindowsXP/2k itself handles the shell: protocol. Note that Microsoft was supposed to have already fixed this. But apparently they either only fixed it for Internet Explorer(a hack at best, since other browsers still suffer, like Opera. It probably falls under anti-trust activities also), or they didn't fix it at all. None of which surprises me. Microsoft doesn't care about whether or not the software is secure, they just want to make it look like it. Until Microsoft fixes the flaw at the operating system level, this flaw will remain in all browsers that allow the shell: protocol.

via Facebook 25 July, 2004 02:18
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