GitHub Advisoryadvisory · PyPI

GHSA-gwf7-vfjf-wf6x matrix-sydent and matrix-synapse Use Cryptographically Weak PRNG

HIGH Published 2022-05-24 Modified 2024-09-30 Official page ↗
Aliases
CVE-2019-11842
Ecosystem
PyPI
Packages
matrix-sydent, matrix-synapse
Severity
High
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-338
Reviewed
2022-07-27

Affected packages

• PyPI matrix-sydent: < 1.0.3 → fixed in 1.0.3 • PyPI matrix-synapse: < 0.99.3.1 → fixed in 0.99.3.1

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.

Related

Alias · CVE (1)

  • CVE-2019-11842 An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. vulnerability

Weakness · CWE (1)

  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) weakness

References