The Indian government has been insisting on WhatsApp developing a mechanism to trace origin of messages in cases where the platform is misused by terrorists and "rogue" elements. In the sample, the boss's message was altered to increase the supposed raise from $500 to $1,500.
'We carefully reviewed this issue a year ago and it is false to suggest there is a vulnerability with the security we provide on WhatsApp.
However, WhatsApp has contested Check Point's claim that these qualify as vulnerabilities.
To make people aware of the flaw, Check Point Research used a tool to decrypt encrypted WhatsApp messages.
As per the report, the vulnerability could be exploited in three ways, all of which involve social engineering tactics to fool end-users.
WhatsApp's parent company Facebook told researchers that the rest of the two shortcomings could not be fixed due to limited infrastructure. At the conference, researchers presented the tool that they created to exploit WhatsApp's vulnerabilities in hopes that it would provoke discussion on the matter and to raise awareness that this is something that might be happening.
We've reached out to Facebook for comment and will update if they get back to us with a more detailed explanation.
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"During the process we unveiled new vulnerabilities that could allow threat actors to intercept and manipulate messages sent in both private and group conversations, giving attackers vast power to create and spread misinformation from what appear to be trusted sources", the researchers added.
Mr Vanunu said his company is working with WhatsApp, but the other problems were hard to solve because of the messaging app's encryption.
Alter the text of someone else's reply, essentially putting words in their mouth. This error in WhatsApp has added to the concern of users around the world. The vulnerability relies on the fact that a participant in the group can, of course, access the decrypted version of the messages.
In May, another WhatsApp security flaw was found that enabled surveillance software to be placed on a user's phone using the app's call feature. We also work to ban accounts trying to change WhatsApp and use it to spam users.
Check Point said it alerted WhatsApp about the flaws late a year ago.