CVE-2023-42811

Summary

CVE-2023-42811 is a vulnerability affecting the `aes-gcm` crate's AES-GCM implementation in Rust. This issue, present in versions 0.10.0 through 0.10.2, exposes the decrypted ciphertext even when tag verification fails. Consequently, any following access to the buffer after an unsuccessful decryption may result in Chosen Ciphertext Attacks (CCAs), potentially causing significant data breaches, including full plaintext recovery. The vulnerability has been addressed in version 0.10.3.

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