GHSA-pw4v-gr34-2553

    Dashboard / Vulnerabilities / GHSA-pw4v-gr34-2553

    GHSA-pw4v-gr34-2553

    Published: 16 Apr 2021Last Modified: 10 Sept 2026

    Summary: Sydent DoS (via resource exhaustion) due to improper input validation

    Details: ### Impact Missing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. ### Patches Fixed by 3175fd3. ### For more information If you have any questions or comments about this advisory, email us at [email protected].

    References: https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553, https://nvd.nist.gov/vuln/detail/CVE-2021-29433, https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da, https://github.com/matrix-org/sydent, https://github.com/pypa/advisory-database/tree/main/vulns/matrix-sydent/PYSEC-2021-24.yaml, https://pypi.org/project/matrix-sydent

    Affected packages

    Package

    Name: matrix-sydent

    Purl: pkg:pypi/matrix-sydent

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.0

    Affected versions

    2.0.0
    2.0.1

    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-pw4v-gr34-2553 | CVE-DB