clipvur.blogg.se - march 2023

Indeed, after decrypting the WhatsApp communication we found that WhatsApp is using the “ protobuf2 protocol” to do so.īy converting this protobuf2 data to Json we were able to see the actual parameters that are sent and manipulate them in order to check WhatsApp’s security. These encryption processes caught our attention and we decided to try to reverse WhatsApp’s algorithm to decrypt the data.

What’s more, not even WhatsApp has the ability to view those messages. Please read below for our full technical analysis.ĭemonstration Video of the Attacks in ActionĪs is well known, WhatsApp encrypts every message, picture, call, video or any other type of content you send so that only the recipient can see it. From Check Point Research’s view, we believe these vulnerabilities to be of the utmost importance and require attention.

Send a private message to another group participant that is disguised as a public message for all, so when the targeted individual responds, it’s visible to everyone in the conversation.įollowing the process of Responsible Disclosure, Check Point Research informed WhatsApp of their findings.

Alter the text of someone else’s reply, essentially putting words in their mouth.

Use the ‘quote’ feature in a group conversation to change the identity of the sender, even if that person is not a member of the group.

Our team observed three possible methods of attack exploiting this vulnerability – all of which involve social engineering tactics to fool end-users. It doesn’t help then, if threat actors have an additional weapon in their arsenal to leverage the platform for their malicious intentions.Ĭheck Point Research, however, recently unveiled new vulnerabilities in the popular messaging application that could allow threat actors to intercept and manipulate messages sent in both private and group conversations, giving attackers immense power to create and spread misinformation from what appear to be trusted sources.

With so much chatter, the potential for online scams, rumours and fake news is huge.

Research By: Dikla Barda, Roman Zaikin and Oded VanunuĪs of early 2018, the Facebook-owned messaging application, WhatsApp, has over 1.5 billion users with over one billion groups and 65 billion messages sent every day.