After a Black Hat presentation called the potential of RSS feeds as an attack vector into question, Microsoft described steps they have taken to mitigate this.

RSS offers some distinct advantages over email. Being an opt-in only method, it eliminates the potential for external spammers to jam up one's feed reader with useless messages, as happens with email inboxes.

Should a feed be compromised, as was discussed at Black Hat in a session on RSS security, the attacker could hit thousand of subscribers with a malicious payload almost instantly.

That presentation also picked on web-based RSS readers, citing their vulnerability to SQL injection, command execution, and DoS attacks. These are scenarios that Microsoft wants to eliminate before they become a reality.

In the Team RSS Blog, Walter vonKoch of Microsoft wrote of how the company has considered potential issues in IE7 and the Windows RSS Platform. They have worked on ways to thwart possible threats from scripts in feeds.

View: Full Article @ Security Pro News



There are 4 additional comments
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(2 replies) Quote this comment Reply to this comment #1 Posted by MrCobra on 09 Aug 2006 - 14:01
All these problems and they're seriously going to put this out in a few months. I'll wait until Vista SP1 is out before I migrate over if at all.
Quote this comment #1.1 Posted by markjensen on 09 Aug 2006 - 15:20
My understanding is, from reading the article, that this isn't a "Vista" thing. That it is an RSS implementation thing. If you have XP and get IE7 (with its RSS features) then you would still be at the same risk.

And it isn't limited to Microsoft products, either. RSS is becoming more popular in other apps, such as Opera and Firefox, too.
Quote this comment #1.2 Posted by xpgeek on 09 Aug 2006 - 20:44
Yea my understanding of this is its not a 'Vista thing' either, its a any RSS reader can be vulnerable thing.
Quote this comment Reply to this comment #2 Posted by dangel on 10 Aug 2006 - 08:54
It's good to see MS taking all elements of security so seriously - a marked difference from the 'more features' ethos of old..
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