Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
Weakness
The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Werkzeug | Palletsprojects | * | 0.15.3 (excluding) |
| Python-werkzeug | Ubuntu | bionic | * |
| Python-werkzeug | Ubuntu | disco | * |
| Python-werkzeug | Ubuntu | eoan | * |
| Python-werkzeug | Ubuntu | esm-infra/bionic | * |
| Python-werkzeug | Ubuntu | trusty | * |
| Python-werkzeug | Ubuntu | upstream | * |
Potential Mitigations
Related Attack Patterns
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00047.html
- https://github.com/pallets/werkzeug/blob/7fef41b120327d3912fbe12fb64f1951496fcf3e/src/werkzeug/debug/__init__.py#L168
- https://github.com/pallets/werkzeug/commit/00bc43b1672e662e5e3b8cecd79e67fc968fa246
- https://palletsprojects.com/blog/werkzeug-0-15-3-released/
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00047.html
- https://github.com/pallets/werkzeug/blob/7fef41b120327d3912fbe12fb64f1951496fcf3e/src/werkzeug/debug/__init__.py#L168
- https://github.com/pallets/werkzeug/commit/00bc43b1672e662e5e3b8cecd79e67fc968fa246
- https://palletsprojects.com/blog/werkzeug-0-15-3-released/