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Firefox for Android security issue puts locally stored content at risk

Posted In News - By AndroidPress on Monday, September 30th, 2013 With No Comments »

Firefox for Android has an alarming security issue. Developer Sebastian Guerrero Selma has successfully used Firefox to pull data from the storage of an Android device, as well as access the content of privately stored data within the browser.

Firefox Vulnerablity

Browser data, such as passwords and other personal information, can be extracted using the ubiquitous file:// syntax. By visiting a site with the malicious Javascript code, users give up their info to a hacker without ever knowing it. SD Card files, like pictures and documents, are the most glaring example of sensitive information you wouldn’t want anyone to get hold of. Other apps may store info there, though, which could give hackers a backdoor exploit to take further advantage of you.

Selma has notified Mozilla of the issue, and Android Police is reporting that he has sent along a detailed account of how this was done. For a demonstration, check out the video below, in which Selma demonstrates just how he accomplished the info grab.

The exploit only works on malicious websites which have the code in use, so if you’re a die-hard Firefox for Android user, be careful where you navigate to. If you’re open to using other browsers, it it could be a good idea for now. Until the exploit is fixed, it’s better safe than sorry.

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