HIGH 7.5 PyPI
matrix-sydent and matrix-synapse Use Cryptographically Weak PRNG
GHSA-gwf7-vfjf-wf6x · CVE-2019-11842 · PYSEC-2019-185 · PYSEC-2026-2620
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Description
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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2019-11842
- ADVISORY https://github.com/advisories/GHSA-gwf7-vfjf-wf6x
- WEB https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2019-185.yaml
- WEB 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
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