module: golang.org/x/crypto
package: golang.org/x/crypto/ssh
versions:
- fixed: v0.0.0-20170330155735-e4e2799dd7aa
description: |
  By default host key verification is disabled which allows for
  man-in-the-middle attacks against SSH clients if
  [`ClientConfig.HostKeyCallback`] is not set.
published: 2021-04-14T12:00:00Z
cve: CVE-2017-3204
credit: Phil Pennock
symbols:
- NewClientConn
links:
  pr: https://go-review.googlesource.com/38701
  commit: https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991
  context:
  - https://github.com/golang/go/issues/19767
  - https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/