PYSEC-2019-185

    Dashboard / Vulnerabilities / PYSEC-2019-185

    PYSEC-2019-185

    Published: 9 May 2019Last Modified: 13 Jul 2026

    Summary:

    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.

    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/, https://github.com/advisories/GHSA-gwf7-vfjf-wf6x

    Affected packages

    Package

    Name: matrix-synapse

    Purl: pkg:pypi/matrix-synapse

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.99.3.1

    Affected versions

    0.33.5
    0.33.5.1
    0.33.6
    0.33.6rc1
    0.33.7
    0.33.7rc1
    0.33.7rc2
    0.33.8
    0.33.8rc2
    0.33.9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2019-185 | CVE-DB