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A multinational computer team claimed on Friday that the popular encrypted chat app Telegram is detected with four cryptographic vulnerabilities by their researchers.
The vulnerabilities, based on the security study, range from technically trivial and easy to use to advanced and of theoretical interest. But in the end, it is demonstrated by ETH Professor Kenny Paterson, who was a member of the team that exposed the vulnerability, that the four important aspects could be done better, more secure, and more efficiently using a standard approach to cryptography.
Telegram’s a cloud-based free, open-source instant messaging app on cross-platform. This program also provides encoded video calling, VoIP, file sharing, and various other functions from one end to the next. It was launched in August 2013 for iOS and in October 2013 for Android.
The greatest vulnerability found by researchers is what they call the vulnerability “crime pizza.” An attacker could modify the sequence of messages from a client to a telegram-operated cloud server in this easily.
“For example, if the order of the messages in the sequence ‘I say “yes” to’, ‘pizza’, ‘I say “no” to’, “crime” was altered then it would appear that the client is declaring their willingness to commit a crime,” according to the universities.
An attacker may detect which of two communications is encrypted by the client, even if particular circumstances are required to do so using one of the more theoretical vulnerabilities.
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