Home GDPR #Privacy: Bug found in WhatsApp wreaking havoc in group chats
GDPR - December 17, 2019

#Privacy: Bug found in WhatsApp wreaking havoc in group chats

Check Point researchers have discovered a bug within WhatsApp that can be used to crash the messaging app for every member of a group. 

Users can send a malicious group chat message which results in the WhatsApp application crashing for all members of the group. 

Those impacted are forced to uninstall and reinstall WhatsApp on their device in order to use it again. After reinstalling, the user cannot return to the group chat or access any of the chat’s history. 

The vulnerability, uncovered by Check Point researchers, has been used by over 1.5 billion people. 

The issue was discovered in August 2019 and was fixed in the release of WhatsApp 2.19.246 and onwards. WhatsApp has also added new controls to prevent people from being added to unwanted groups. 

“In WhatsApp there are many important groups with valuable content. If an attacker uses this technique and crashes one of these groups all chat history will be gone and further communication would be impossible,” said Check Point. 

“The impact of this vulnerability is potentially tremendous, since WhatsApp is the main communication service for many people. Thus, the bug compromises the availability of the app which is a crucial for our daily activities.”

The post #Privacy: Bug found in WhatsApp wreaking havoc in group chats appeared first on PrivSec Report.

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