matrix-sydent and matrix-synapse Use Cryptographically Weak PRNG
High severity
GitHub Reviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated Jan 28, 2023
Description
Published by the National Vulnerability Database
May 9, 2019
Published to the GitHub Advisory Database
May 24, 2022
Reviewed
Jul 27, 2022
Last updated
Jan 28, 2023
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.
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