GHSA-gwf7-vfjf-wf6x
matrix-sydent and matrix-synapse Use Cryptographically Weak PRNG
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| PyPI | matrix-sydent | < 1.0.3 | 1.0.3 |
| PyPI | matrix-synapse | < 0.99.3.1 | 0.99.3.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
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
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2019-11842
- https://github.com/advisories/GHSA-gwf7-vfjf-wf6x
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2019-185.yaml
- 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