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Registered Member #902
Joined: Sun Jul 15 2007, 08:17PM
Location: North Texas
Posts: 1040
while working on an engagement at work (security consulting), I found a 3rd party involved has a security vulnerability that affects many phone designs.
I just had to send an email to a target, and just by the email being opened (no link clicked or attachment opened/downloaded), I could wipe the data on the device or trigger other malicious acts that can be operated using phone number commands (as these are a common way to execute diagnostic and system level operations). Worst part, the software vendor didn't think this was a problem. Took forever to convince them that it was an issue at all. They considered the ability to embed auto-executing iframes a feature rather than a vulnerability. There wasn't even an option to disable HTML in emails received.
Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061
Thats pretty bad.
On some PCs its possible to trigger a crash by leaving a particular brand of pendrive plugged in during boot. System loads up as far as the BIOS screen then goes berserk, with runes in place of the normal POST.
I have reason to believe that this "feature" never actually got fixed as it would require that the USB be disabled during boot which would break external keyboards etc.
Its also possible to crash some PCs by feeding garbage data in via a "Generic Webcam" if you can convince the target to load AmCap32 if it is already on their machine. Symptoms:- if the stream gets interrupted mid-frame, instant BSoD. Works on many boards, even happened on my Samsung x series with the built in webcam if I disconnected it from the wiring loom. This could happen with a flaky lid cable or just from another device upsetting the USB controller.
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