While there are frequent unexplained changes and pushes to Google's AOSP repositories, an interesting-looking new branch has been pushed out recently, called "master-soong". Taking a look at the changes made to the manifest repository (which is used to specify the repositories to be downloaded when building Android), it appears there are some new repositories making an appearance. Of note here are new prebuilt repositories for Go, and Ninja. Go is a programming language, created by Google, which compiles to produce...
What Can We Learn from the Galaxy S III NFC Hack?
NFC technology is poised to become the core of the mobile payment world. Nearly every cutting edge smartphone released in the next year will feature some form of NFC and mobile payments. Every major player from Verizon to Google, from MasterCard to American Express is in some way attempting to enter the market and gain a foothold in the thriving industry. Yet this is not without cost: Near-Field Communication technology is new and relatively untested. By linking it with our smartphones, a device we use for nearly every aspect of our lives, we’ve created the most potent bait an identify thief or malicious life hacker could desire.
Yet until recently, few cared to think about the malicious possibilities that NFC posed to the user. Just over a week ago at Mobile Pwn2Own, this changed when MWR Labs demonstrated that NFC users (and vendors) have a whole lot more to think about. While the exact details of the exploit are still withheld, using the Samsung Galaxy S3’s NFC chip, a file is downloaded and automatically opened. Next, the file was able to elevate its privileges and thereby gain control over every aspect of the device. As explained on the team’s blog:
The first vulnerability was a memory corruption that allowed us to gain limited control over the phone. We triggered this vulnerability 185 times in our exploit code in order to overcome some of the limitations placed on us by the vulnerability.
We used the second vulnerability to escalate our privileges on the device and undermine the application sandbox model. We used this to install a customised version of Mercury, our Android assessment framework. We could then use Mercury’s capabilities to exfiltrate user data from the device to a remote listener, including dumping SMS and contact databases, or initiating a call to a premium rate number.
While this type of attack may seem complicated and far fetched, the reality is that criminals will go to great lengths to formulate a method by which to steal your information and money. The more reliant on mobile technology we become, the more vigilant we must be in safeguarding our information. Having NFC enabled 24/7 is like having your credit card, phone number, address, name, and Social Security Number dangling from your belt loop. So while the exploit will undoubtedly be patched quickly, just remember: You never know who may be watching.
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