[TUT] Crash Your Friends' WhatsApp Remotely with Just a Message

RiccardoMasutti

RiccardoMasutti

Member
A Vulnerability has been discovered in the wildly popular messaging app WhatsApp, which allows anyone to remotely crash WhatsApp just by sending a specially crafted message.

wharsapp-crash_t.jpg


Two India based independent security researchers, Indrajeet Bhuyan and Saurav Kar, both 17-year old teenagers discovered the vulnerability.

With 2000 words (2kb in size) message in special character set can crash Whatsapp messenger app. Previous it was discovered that sending a huge message ( greater than 7mb in size) on Whatsapp could crash victim device and app immediately, but using this new exploit attacker only need to send a very small size (approx 2kb) message to the victim.

The worried impact of the vulnerability is that the user who received the specially crafted message will have to delete his/her whole conversation and start a fresh chat, because opening the message keeps on crashing WhatsApp unless the chat is deleted completely.

THIS VULNERABILITY ONLY WORKS IN ANDROID!!!

Here's the message to paste for the victim: http://pastebin.com/3efiBva4
 
1. Who even uses WhatsApp?

2. There's so many things wrong with this thread I had to stop
 
13250335:[tk said:
]1. Who even uses WhatsApp?

2. There's so many things wrong with this thread I had to stop
Click to expand...

Only all of Europe, since it's a cross-platform messaging system that only relies on an Internet connection. Data packages are cheap and free WiFi is abundant over here, sms/mms packages can be expensive.

i hate it though, i'm in way too many groups and therefore my phone is constantly buzzing since the threshold for sending 40 messages in an instant is non-existent.
 
13251299:omnidata said:
Only all of Europe, since it's a cross-platform messaging system that only relies on an Internet connection. Data packages are cheap and free WiFi is abundant over here, sms/mms packages can be expensive.

i hate it though, i'm in way too many groups and therefore my phone is constantly buzzing since the threshold for sending 40 messages in an instant is non-existent.
Click to expand...

.

But why the hell would anyone want to crash a whatsapp?
 
13251299:omnidata said:
Only all of Europe, since it's a cross-platform messaging system that only relies on an Internet connection. Data packages are cheap and free WiFi is abundant over here, sms/mms packages can be expensive.

i hate it though, i'm in way too many groups and therefore my phone is constantly buzzing since the threshold for sending 40 messages in an instant is non-existent.
Click to expand...

I've tried it, didn't really see what made it that more special than ios messaging. Pretty sure you only need wifi to do that
 
13251674:[tk said:
]I've tried it, didn't really see what made it that more special than ios messaging. Pretty sure you only need wifi to do that
Click to expand...

Cross platform is the key.
 
just did this to all of my friends! Now they have to like close and re open their whatsapp and delete there conversations with me! I totally just inconvenienced all of them! HAHAHAHA.
 
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