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PYSEC-2019-186

Details

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI / matrix-synapse

Introduced in: 0 Fixed in: 1.5.0

Fix pip install --upgrade 'matrix-synapse>=1.5.0'

References

https://github.com/matrix-org/synapse/releases/tag/v1.5.0 [WEB]
https://github.com/matrix-org/synapse/pull/6262 [WEB]
https://github.com/advisories/GHSA-cppw-2mf8-qpm5 [ADVISORY]