Rust: Security advisory for Cargo (CVE-2022-46176)

[NewsBot]

A new Rust blog post/announcement has been posted!

This is a cross-post of the official security advisory. The official advisory contains a signed version with our PGP key, as well.

The Rust Security Response WG was notified that Cargo did not perform SSH host key verification when cloning indexes and dependencies via SSH. An attacker could exploit this to perform man-in-the-middle (MITM) attacks.

This vulnerability has been assigned CVE-2022-46176.

Overview

When an SSH client establishes communication with a server, to prevent MITM attacks the client should check whether it already communicated with that server in the past and what the server's public key was back then. If the key changed since the last connection, the connection must be aborted as a MITM attack is likely taking place.

It was discovered that ...

Get the full details here: Security advisory for Cargo (CVE-2022-46176) | Rust Blog