CVE-2017-2893

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    CVE-2017-2893

    Published: 7 Nov 2017Last Modified: 7 Aug 2026

    Summary:

    Details: An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

    References: https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- acfc66cd60f5bfa7dc4d37194d72855c201e5710
    Fixed -None

    Affected versions

    6.8

    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