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| author | Matthew Hodgson <matthew@matrix.org> | 2016-08-27 00:20:13 +0100 |
|---|---|---|
| committer | Matthew Hodgson <matthew@matrix.org> | 2016-08-27 00:20:39 +0100 |
| commit | 5acbe09b6773d003c35d78a08605d70ff40ba365 (patch) | |
| tree | 0773114b2a63281cca02e83d83a114fbc1898c53 /README.rst | |
| parent | Merge pull request #1046 from matrix-org/markjh/direct_to_device (diff) | |
| download | synapse-5acbe09b6773d003c35d78a08605d70ff40ba365.tar.xz | |
warn people to avoid running a HS media repository on the same domain as another webapp
Diffstat (limited to '')
| -rw-r--r-- | README.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/README.rst b/README.rst index 172dd4dfa0..323f5b8db7 100644 --- a/README.rst +++ b/README.rst @@ -199,6 +199,21 @@ run (e.g. ``~/.synapse``), and:: source ./bin/activate synctl start +Security Note +============= + +Matrix serves raw user generated data in some APIs - specifically the content +repository endpoints: http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-media-r0-download-servername-mediaid +Whilst we have tried to mitigate against possible XSS attacks (e.g. +https://github.com/matrix-org/synapse/pull/1021) we recommend running +matrix homeservers on a dedicated domain name, to limit any malicious user generated +content served to web browsers a matrix API from being able to attack webapps hosted +on the same domain. This is particularly true of sharing a matrix webclient and +server on the same domain. + +See https://github.com/vector-im/vector-web/issues/1977 and +https://developer.github.com/changes/2014-04-25-user-content-security for more details. + Using PostgreSQL ================ |