JanSt

Sony Xperia Z has its own lockscreen security issue.

No more smirking about the iPhone 5 and SGS2/3/Note etc , oh proud Xperia Z owners.
Sony's flagship of the month has its very own security hole:

one would simply have to go to the Emergency call screen when the phone is locked, and enter a code to access the service menu (apparently, the code is *#*#7378423#*#*).

Next, one would have to go to Service tests > NFC > NFC Diag Test and then tap the home button. After that, one would be able to browse through the device without issues...


Full story and demo-video here

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5 comments

matt101101 / MOD  Mar. 25, 2013 at 16:30

I'm beginning to get the feeling that most phones may have pretty weak lockscreen security measures and that they probably always have done. It just so happens that this month's favourite new thing is to find and publish said weaknesses.

JanSt / MOD  Mar. 25, 2013 at 16:33

I'm beginning to get the feeling that most phones may have pretty weak lockscreen security measures and that they probably always have done. It just so happens that this month's favourite new thing is to find and publish said weaknesses.

Agree. And I'm not surprised. The word "lockscreen" should give some hints as to its purpose. But no, we 'need' quick access to this that and the other, and apps and tweaks for even more quick-access.... surprised there are holes?

matt101101 / MOD  Mar. 25, 2013 at 16:36

I'm beginning to get the feeling that most phones may have pretty weak lockscreen security measures and that they probably always have done. It just so happens that this month's favourite new thing is to find and publish said weaknesses.

Agree. And I'm not surprised. The word "lockscreen" should give some hints as to its purpose. But no, we 'need' quick access to this that and the other, and apps and tweaks for even more quick-access.... surprised there are holes?

It doesn't surprise me or worry me. It's a lockscreen, not a high-security vault.

judgey  Mar. 25, 2013 at 17:16

yer code just spells out service :)

jellan  Nov. 27, 2013 at 00:29

it does not work on my phone...NFC diag test is not showing up..it goes back to the homescreen

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