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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade docker.io | Jul 30, 2024 | Nov 17, 2014 |
| Docker | — | Upgrade docker-py to version 0.5.3 or higherUpgrade to Docker v1.3.1 | May 4, 2017 | Nov 17, 2014 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 30, 2014 |
| Suse | — | Upgrade dockerUpgrade docker-bash-completionUpgrade docker-fish-completionUpgrade ruby2.1-rubygem-sle2dockerUpgrade sle2docker | Dec 18, 2015 | Nov 17, 2014 |
| Ubuntu | — | Upgrade docker.io | Nov 19, 2024 | Nov 17, 2014 |
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