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A flaw in Telegram gives access to photos and videos even after they are not submitted
Instant Telegram stated that it had fixed a bug in its application that allowed the user to see photos and videos sent by another user and then chose to cancel the transmission.
Telegram, which has more than 100 million users, offers users the ability to refuse to send any message, even after its receipt, including text messages, photos and videos.
But a named security researcher (Dheeraj Mishra) discovered a vulnerability in the application and only informed her of the TechCrunch site.
Mishra explained that Telegram on Android stores images and videos sent to the user permanently in the internal memory of the device. Cancel transmission therefore deletes the photos and videos from the app, but does not delete them from the camera's memory.
"This problem also exists in groups," said Mishra quoted by TechCrunch. "If you have a group of 100,000 Telegram members and accidentally send and delete a multimedia message, it will only be deleted from the chat, but it will remain in the media memory of every 100,000 members."
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After notifying Telegram of the gap, the company said: She has repaired it and Mishra has received a financial reward of 2,500 euros for discovering and reporting the gap. The flaw in the September 5 update has been fixed.
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