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Share this story LAS VEGAS—It's not often that a security researcher devises an attack that can unleash a self-replicating attack which, with no user interaction, threatens 1 billion smartphones. But that's just what Nitay Artenstein of Exodus Intelligence did in a feat that affected both iOS and Android devices. At the Black Hat security conference, Artenstein demonstrated proof-of-concept attack code that exploited a vulnerability in Wi-Fi chips manufactured by Broadcom.

It fills the airwaves with probes that request connections to nearby computing devices. When the specially devised requests reach a device using the BCM43xx family of Wi-Fi chipsets, the attack rewrites the firmware that controls the chip.

The compromised chip then sends the same malicious packets to other vulnerable devices, setting off a potential chain reaction. Iron Grip Warlord Serial Keygens. Until early July and last week—when and issued patches respectively—an estimated 1 billion devices were vulnerable to the attack.

Artenstein has dubbed the worm 'Broadpwn.' Although the flaw is now closed, the hack has important lessons as engineers continue their quest to secure mobile phones and other computing devices. Security protections such as and have now become standard parts of the operating systems and apps. As a result, attackers have to work hard to exploit and other types of software vulnerabilities. That extra work largely makes self-replicating worms impossible.

Artenstein's exploit, however, suggests that such worms are by no means impossible. Further Reading 'This research is an attempt to demonstrate what such an attack, and such a bug, will look like,' the researcher wrote in a. 'Broadpwn is a fully remote attack against Broadcom’s BCM43xx family of Wi-Fi chipsets, which allows for code execution on the main application processor in both Android and iOS.

It is based on an unusually powerful 0-day that allowed us to leverage it into a reliable, fully remote exploit. Kanjani8 Musekinin Hero Download Mp3. ' Making a comeback In sharp contrast to the kernels in iOS and Android, the Broadcom chips Artenstein targeted aren't protected by ASLR or DEP. That meant he could reliably know where his malicious code would be loaded in chip memory so he could ensure it got executed. Additionally, he found a flaw across various chipset firmware versions that allowed his code to work universally rather than having to be customized for each firmware build. Roxio Creator Nxt Pro Serial Key. Making the attack even more potent, targets didn't have to connect to the attacker's Wi-Fi network. Simply having Wi-Fi turned on was sufficient to being hacked.