XSS Vulnerability on Skype Allowing Attacker To Steal Address Book

A Cross-Site Scripting vulnerability exists in the "Chat Message" window in Skype 3.0.1 and earlier versions for iPhone and iPod Touch devices. Skype uses a locally stored HTML file to display chat messages from other Skype users, but it fails to properly encode the incoming users "Full Name", allowing an attacker to craft malicious JavaScript code that runs when the victim views the message. Executing arbitrary Javascript code is one thing, but I found that Skype also improperly defines the URI scheme used by the built-in webkit browser for Skype. Usually you will see the scheme set to something like, "about:blank" or "skype-randomtoken", but in this case it is actually set to "file://". This gives an attacker access to the users file system, and an attacker can access any file that the application itself would be able to access.
File system access is partially mitigated by the iOS Application sandbox that Apple has implemented, preventing an attacker from accessing certain sensitive files. However, every iOS application has access to the users AddressBook, and Skype is no exception. I created a proof of concept injection and attack that shows that a users AddressBook can indeed be stolen from an iPhone or iPod touch with this vulnerability.

Here is a Video Which Will Guide you about the Vulnerability:-


Voice Of GREYHAT is a non-profit Organization propagating news specifically related with Cyber security threats, Hacking threads and issues from all over the spectrum. The news provided by us on this site is gathered from various Re-Sources. if any person have some FAQ's in their mind they can Contact Us. Also you can read our Privacy Policy for more info. Thank You ! -Team VOGH
If you enjoyed VOGH News, Articles Then Do Make sure you to Subscribe Our RSS feed. Stay Tuned with VOGH and get Updated about Cyber Security News, Hacking Threads and Lots More. All our Articles and Updates will directly be sent to Your Inbox. Thank You! -Team VOGH

Categories: , ,


Post a Comment

Related Posts Plugin for WordPress, Blogger...