Telegram has been working hard to keep the privacy-focused messaging platform safe and secure, and in doing so, they’ve managed to repair some critical flaws in the apps!
How the bug was found
The incredibly popular chatting platform and WhatsApp’s closest competitor Telegram has several flaws in the non-encrypted chat protection, which rendered it vulnerable, according to a group of experts in London.
Telegram had vulnerabilities in Cloud Chats, according to the Royal Holloway researchers. Non-E2EE (End to End Encryption) chats are available by default on the platform, however users who are concerned about their privacy can always opt-in for End to End Encryption for specific talks. The flaws were discovered in non-E2EE chats.
What the security flaw can do
If we go according to their claims, the loophole allows hackers to access previously transmitted messages and rearrange the text, potentially resulting in a different message. Even if the messages were delivered in encrypted mode, hackers were able to extract the chat transcript in a readable format from iOS, Android, and desktop apps.
This flaw can also be exploited to abuse Telegram Bots, which might cause serious issues because Bots are an important aspect of the app’s group administration.
The fix for the vulnerabilities
Fortunately, the researchers approached Telegram before publicly releasing their results, and they worked with the firm to resolve the flaws, which are currently being rolled out to everyone via software updates.
In a prepared statement updated on Telegram’s official blog, it says “The latest versions of official Telegram apps already contain the changes that make the four observations made by the researchers no longer relevant. Overall, none of the changes was critical, as no ways of deciphering or tampering with messages were discovered.”
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