GHSA-cppw-2mf8-qpm5

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    GHSA-cppw-2mf8-qpm5

    Published: 24 May 2022Last Modified: 15 Feb 2025

    Summary: Improper Verification of Cryptographic Signature in matrix-synapse

    Details: Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over `/send_join`, `/send_leave`, and `/invite` may not be correctly signed, or may not come from the expected servers.

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-18835, https://github.com/matrix-org/synapse/pull/6262, https://github.com/matrix-org/synapse/commit/172f264ed38e8bef857552f93114b4ee113a880b, https://github.com/matrix-org/synapse, https://github.com/matrix-org/synapse/releases/tag/v1.5.0, https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2019-186.yaml

    Affected packages

    Package

    Name: matrix-synapse

    Purl: pkg:pypi/matrix-synapse

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.5.0

    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
    GHSA-cppw-2mf8-qpm5 | CVE-DB