Feeds

Nexus phones carry SMS crash bug vuln

You have 1 new message: You've been p0wned

Secure remote control for conventional and virtual desktops

A Romanian security researcher has published a vulnerability that allows someone to crash a remote Nexus 4 or Nexus 5 phone – by sending them a crafted “Class 0” text message.

Instead of falling into a user's inbox and waiting for someone to read the message, a Class 0 or “flash message” pops up immediately as a message window that the user is supposed to decide whether or not to save.

On the Nexus phones, according to Levi9's Bogdan Alecu, the flash message is displayed above all active windows, with a semi-transparent overlay dimming them.

The bug that turns this into a vulnerability is this: Nexus 4 and Nexus 5 don't give audio notifications of incoming flash messages. So an attacker can pile message upon message on a victim until the phone begins to misbehave.

In this presentation to DefCamp 2013, Alecu identified various impacts of an attack in which more than 30 messages are sent to a target: either the messaging application crashes, or the phone reboots, or Internet access collapses.

If the victim's phone has SIM PIN-protection enabled, the phone will stop responding to the network.

Class Zero Attack

Alecu complains that Google has known of the flax for more than a year with no fix announced. In the absence of an official fix, he points to this app, which is designed to act as a firewall against Class 0 messages. ®

Top 5 reasons to deploy VMware with Tegile

More from The Register

next story
Knock Knock tool makes a joke of Mac AV
Yes, we know Macs 'don't get viruses', but when they do this code'll spot 'em
Feds seek potential 'second Snowden' gov doc leaker – report
Hang on, Ed wasn't here when we compiled THIS document
DRUPAL-OPCALYPSE! Devs say best assume your CMS is owned
SQLi hole was hit hard, fast, and before most admins knew it needed patching
Why weasel words might not work for Whisper
CEO suspends editor but privacy questions remain
DEATH by PowerPoint: Microsoft warns of 0-day attack hidden in slides
Might put out patch in update, might chuck it out sooner
BlackEnergy crimeware coursing through US control systems
US CERT says three flavours of control kit are under attack
prev story

Whitepapers

Choosing cloud Backup services
Demystify how you can address your data protection needs in your small- to medium-sized business and select the best online backup service to meet your needs.
A strategic approach to identity relationship management
ForgeRock commissioned Forrester to evaluate companies’ IAM practices and requirements when it comes to customer-facing scenarios versus employee-facing ones.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Saudi Petroleum chooses Tegile storage solution
A storage solution that addresses company growth and performance for business-critical applications of caseware archive and search along with other key operational systems.
How to simplify SSL certificate management
Simple steps to take control of SSL certificates across the enterprise, and recommendations centralizing certificate management throughout their lifecycle.