Man-in-the-Middle (MitM) Affecting package, versions <1.3.1

  • Attack Complexity


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  • snyk-id


  • published

    16 Oct 2014

  • disclosed

    16 Oct 2014

  • credit

    Solomon Hykes


Affected version of are vulnerable to HTTP downgrade attacks. Docker before 1.3.1 and docker-py before 0.5.3 fall back to HTTP when the HTTPS connection to the registry fails, which allows man-in-the-middle attackers to conduct downgrade attacks and obtain authentication and image data by leveraging a network position between the client and the registry to block HTTPS traffic.