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Here's a story that @Jeffrey shared with us. Apparently several nasty new vulnerabilities have been discovered in Android. These new vulnerabilities are being called the worst security flaw in Android ever discovered. The scary part is that they can be activated just from text messages. Here's a quote with the details,
Joshua Drake, from Zimperium zLabs, who reported the bugs in April this year, said whilst Google has sent out patches to its partners, he believes most manufacturers have not made fixes available to protect their customers. “All devices should be assumed to be vulnerable,” Drake, vice president of platform research and exploitation at Zimperium, told FORBES. He believes as many as 950 million Android phones could be affected, going on figures suggesting there are just over 1 billion in use. Only Android phones below version 2.2 are not affected, he added.
The weaknesses reside in Stagefright, a media playback tool in Android. They are all “remote code execution” bugs, allowing malicious hackers to infiltrate devices and exfiltrate private data. All attackers would need to send out exploits would be mobile phone numbers, Drake noted. From there, they could send an exploit packaged in a Stagefright multimedia message (MMS), which would let them write code to the device and steal data from sections of the phone that can be reached with Stagefright’s permissions. That would allow for recording of audio and video, and snooping on photos stored in SD cards. Bluetooth would also be hackable via Stagefright.
Depending on the MMS application in use, the victim might never know they had even received a message. Drake found that when the exploit code was opened in Google Hangouts it would “trigger immediately before you even look at your phone… before you even get the notification”. It would be possible to delete the message before the user had been alerted too, making attacks completely silent, he added.
It seems ridiculous that the Android OEMs are dragging their feet on getting Google's fixes out to Android owners. Let's hear from our forum experts on this subject. Is this something we should be concerned about?
There's even more info regarding these vulnerabilities at the Forbes source link below.
Source: Stagefright It Only Takes One Text To Hack 950 Million Android Phones