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The vulnerability, which they dubbed Terrapin, lets attackers manipulate messages that are exchanged through the communication channel.
The flaws are now tracked as CVE-2023-48795, CVE-2023-46445, and CVE-2023-46446,BleepingComputerreported.
Furthermore, the connection must be secured by either ChaCha20-Poly1305 or CBC with Encrypt-then-MAC.
Vendors are now working on fixing the issue, it was later said.
Among the possible solutions is a stricter key exchange which renders package injection during the handshake impossible.