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Posted on October 11th, 2009
Yahoo! meme is an advanced twitter clone service. This service doesn’t have (yet) so many users but it’s a matter of time untill Yahoo! will pump traffic to meme.yahoo.com. And this can lead to a PR and security disaster. Why I said that? Let’s think for a moment.
1. Yahoo! is full with xss vulnerabilities.
2. Yahoo! meme is a subdomain of yahoo.com.
3. Yahoo! meme subdomain use the same cookies from yahoo.com (Y and T). BAD IDEEA!
So, Yahoo! xss + Yahoo! meme = xss worm in a potential huge microblogging service. All of this are possible with just a click on the wrong link from a regular user.
We can expect to see large amount of attacks on Yahoo! meme. It doesn’t matter if those attacks are targeting users to increase traffic on other sites, to steal Yahoo! cookies or for malware spreading. It’s a fact that very soon we will see the biggest xss attack targeting Yahoo! users.
Bonus: you can use “invite friends” option for mail bombing.
October 11th, 2009 at 11:16 pm
the worm will spread through text messages on cellphones… would that feature enable someone to take over a cell phone?
October 20th, 2009 at 1:38 pm
Yahoo never learns.. They could perhaps hire a security team and h0t name them “The Yellow Hat security” Lma0