Re: yahoo open redirect vulnerability full disclosur

[Ronny Vasquez <ronny.vasquezgt () gmail com>]

Hi,

Works with an Add url that's not expire, when the add is replaced with
another one the exploit don't work, but nice vulnerability that you find.


On Wed, Feb 12, 2014 at 10:04 AM, Jing Wang <justqdjing () gmail com> wrote:

> Dear Sir/Madam,
>
> I am a student from NTU, Singapore. My name is Wang Jing. I just found a
> yahoo open redirect vulnerability and reported it to yahoo 10 days ago.
>
> However, yahoo did nothing about it.
>
>
>
> The following is full disclosure. Attachment is prove of concept video.
> And the link below is poc video I just posted on youtube.
> http://www.youtube.com/watch?v=GTd1Gkj6OUY&feature=youtu.be
>
>
> I just found one open url redirection vulnerability in yahoo.
>
> This attacks doesn't even need users to login yahoo. My test is on all
> browsers in all computer systems.
>
> I use "poc of exploit" to denote that url redirection works.
>
> Now I will use a website just built by me for the following tests. The
> website is "http://www.tetraph.com";. We can think this website is
> malicious, because it is fully under my control.
>
>
> vulnerable url:
>
>
> http://ads.yahoo.com/clk?3,eJyti18LgjAUxb-QD246p4we5t8UZw0W4d50mKGGEYXZp09N.AT94J5zLvceYBCF9UtV2QgrZakSlgSYhrKLElVloemEEAPbEJuOhTQ6k0nIB789R9Rd9tToJV2pp3Frb8lHe9Z9cD-8KP-d3yxz6F.wnITGa56847z2B9qH1mMMmLu9RTHKxQlKkTSpqEEu6JOJsGMjuLKPbFPR3aQvGyZiJP0W5Hxr7jRN.wKrBU.A,http%3A%2F%2Fwww.facebook.com%2Fcampaign%2Flanding.php%3Fcampaign_id%3D127305407328718
>
>
> poc exploit:
>
>
> http://ads.yahoo.com/clk?3,eJyti18LgjAUxb-QD246p4we5t8UZw0W4d50mKGGEYXZp09N.AT94J5zLvceYBCF9UtV2QgrZakSlgSYhrKLElVloemEEAPbEJuOhTQ6k0nIB789R9Rd9tToJV2pp3Frb8lHe9Z9cD-8KP-d3yxz6F.wnITGa56847z2B9qH1mMMmLu9RTHKxQlKkTSpqEEu6JOJsGMjuLKPbFPR3aQvGyZiJP0W5Hxr7jRN.wKrBU.A,http%3A%2F%2Fwww.google.com
>
>
> http://ads.yahoo.com/clk?3,eJyti18LgjAUxb-QD246p4we5t8UZw0W4d50mKGGEYXZp09N.AT94J5zLvceYBCF9UtV2QgrZakSlgSYhrKLElVloemEEAPbEJuOhTQ6k0nIB789R9Rd9tToJV2pp3Frb8lHe9Z9cD-8KP-d3yxz6F.wnITGa56847z2B9qH1mMMmLu9RTHKxQlKkTSpqEEu6JOJsGMjuLKPbFPR3aQvGyZiJP0W5Hxr7jRN.wKrBU.A,http%3A%2F%2Fwww.tetraph.com
>
>
> poc video:
>
> http://www.youtube.com/watch?v=GTd1Gkj6OUY&feature=youtu.be
>
> _______________________________________________
> Full-Disclosure - We believe in it.
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-- 
Atentamente,
Ronny Vasquez
IT Security Advisor.

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/