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CVE-2016-10932

An issue was discovered in the hyper crate before 0.9.4 for Rust on Windows. There is an HTTPS man-in-the-middle vulnerability because hostname verification was omitted.

GHSA-9xjr-m6f3-v5wm — HTTPS MitM vulnerability due to lack of hostname verification

Affected: crates.io: hyper

When used on Windows platforms, all versions of Hyper prior to 0.9.4 did not perform hostname verification when making HTTPS requests.

This allows an attacker to perform MitM attacks by preventing any valid CA-issued certificate, even if there's a hostname mismatch.

The problem was addressed by leveraging rust-openssl's built-in support for hostname verification.

RUSTSEC-2016-0001 — SSL/TLS MitM vulnerability due to insecure defaults

Affected: crates.io: openssl

All versions of rust-openssl prior to 0.9.0 contained numerous insecure defaults including off-by-default certificate verification and no API to perform hostname verification.

Unless configured correctly by a developer, these defaults could allow an attacker to perform man-in-the-middle attacks.

The problem was addressed in newer versions by enabling certificate verification by default and exposing APIs to perform hostname verification. Use the `SslConnector` and `SslAcceptor` types to take advantage of these new features (as opposed to the lower-level `SslContext` type).