CVE-2022-39252

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust, and matrix-sdk-crypto is the Matrix encryption library. Prior to version 0.6, when a user requests a room key from their devices, the software correctly remembers the request. When the user receives a forwarded room...

CVE-2022-39252 When matrix-rust-sdk recieves forwarded room keys, the reciever doesn't check if it requested the key from the forwarder

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust, and matrix-sdk-crypto is the Matrix encryption library. Prior to version 0.6, when a user requests a room key from their devices, the software correctly remembers the request. When the user receives a forwarded room...

CVE-2022-39252

CVE-2022-39252 affects matrix-rust-sdk (and matrix-sdk-crypto). Before 0.6, forwarded room keys could be accepted without verifying the origin device, enabling a homeserver to insert keys of questionable validity and potentially mount an impersonation attack. The issue is fixed in version 0.6. Re...