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PYSEC-2019-185

Quick fix

PYSEC-2019-185 — matrix-synapse: upgrade to the fixed version with the command below.

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

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: 0Fixed in: 0.99.3.1

Fixpip 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]