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Security warnings#284

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DemiMarie wants to merge 3 commits into
nginx:mainfrom
DemiMarie:security-warnings
Open

Security warnings#284
DemiMarie wants to merge 3 commits into
nginx:mainfrom
DemiMarie:security-warnings

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@DemiMarie

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Proposed changes

Nginx has various security limitations:

  • Modules that proxy to upstream servers (HTTP/1.x, FastCGI, uwsgi, SCGI) assume that the upstream server is trusted
  • Modules that set headers, trailers, URLs, or request methods do not check that the result is valid.

Checklist

Before creating a PR, run through this checklist and mark each as complete:

NGINX does not try to protect itself against untrusted upstream servers.
Document this.
It's a severe security vulnerability in misconfigured NGINX instances.
It is a severe vulnerability affecting misconfigured NGINX instances.
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