Users can help keep themselves secure by applying current updates or downloading the latest Keybase software with all current security updates," the spokesman said. In a statement, a Zoom spokesman said that the company appreciates the work of the researchers and takes privacy and security "very seriously." "We addressed the issue identified by the Sakura Samurai researchers on our Keybase platform in version 5.6.0 for Windows and macOS and version 5.6.1 for Linux. ![]() The application used a custom extension to name the files, but they were easily viewable directly or simply by changing the custom file extension to the PNG image format, researcher John Jackson told Security Ledger. Sakura Samurai researchers Aubrey Cottle, Robert Willis, and Jackson Henry discovered an unencrypted directory, /Cache, associated with the Keybase client that contained a comprehensive record of images from encrypted chat sessions. It comes as millions of users have flocked to apps like Keybase, Signal and Telegram in recent months. However, it could put their security, privacy and safety at risk, especially for users living under authoritarian regimes in which apps like Keybase and Signal are increasingly relied on as a way to conduct conversations out of earshot of law enforcement or security services. The flaw in the encrypted messaging application, CVE-2021-23827 does not expose Keybase users to remote compromise. Flaws In Zoom's Keybase App Kept Chat Images From Being DeletedĬhicksdaddy writes: The Security Ledger reports that a flaw in Zoom's Keybase secure chat application left copies of images contained in secure communications on Keybase users' computers after they were supposedly deleted, according to researchers from the security research group Sakura Samurai.
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