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PYSEC-2019-185

Details

An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI / matrix-synapse

Introduced in: 0 Fixed in: 0.99.3.1

Fix pip install --upgrade 'matrix-synapse>=0.99.3.1'

References

https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/ [ARTICLE]
https://github.com/advisories/GHSA-gwf7-vfjf-wf6x [ADVISORY]