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Orkut Email Address Disclosure Vulnerability

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XDisclose Advisory : XD100097
Vulnerability Discovered: November 30th 2006
Advisory Released : December 8th 2006
Credit : Rajesh Sethumadhavan
Class : Information Disclosure
Severity : Highly Critical
Solution Status : Unpatched
Vendor : Google Inc
Vendor Website : http://www.orkut.com
Affected applications : Orkut Services
Affected Platform : All
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Overview:
Orkut is an Internet social network service run by Google and named after its creator, Orkut Büyükkökten. It claims to be designed to help users meet new friends and maintain existing relationships with pictures and messages, and establish new ones by reaching out to people you've never met before.

Orkut service is vulnerable to email address disclosure vulnerabilities. Due to this It is possible to get email address of any users in orkut. This is caused due to improper designing of orkut portal.

Description:
A remote attacker can get the email address of anyone in the orkut as demonstrated below. The victim interaction is not required at all.

Demonstration:
Note: Demonstration leads to email address information disclosure
- Login to your orkut account
- Add any user as your friend (Person you want to get email address)
- Click 'friends' tab
- Click 'open friend requests' tab
- Click edit button the email address of the user will be displayed
as in the screenshot
Same way your can find your friends email address also

Solution:
Orkut can improve their portal design by hiding the users email address

Screenshot:
http://www.xdisclose.com/images/xdorkutemailid.jpg

Impact:
Successful exploitation allows email address disclosure.

Original Advisory:
http://www.xdisclose.com/XD100097.txt

Credits:
Rajesh Sethumadhavan has been credited with the discovery of this vulnerability

Disclaimer:
This entire document is strictly for educational, testing and demonstrating purpose only. Modification use and/or publishing this information is entirely on your own risk. The exploit code is to be used on your own orkut account. I am not liable for any direct or indirect damages caused as a result of using the information or demonstrations provided in any part of this advisory.








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