CVE-2019-12480

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    CVE-2019-12480

    Published: 30 May 2019Last Modified: 10 Mar 2026

    Summary:

    Details: BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service (bacserv daemon crash) because there is an invalid read in bacdcode.c during parsing of alarm tag numbers.

    References: , http://packetstormsecurity.com/files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.html, https://1modm.github.io/CVE-2019-12480.html, https://sourceforge.net/p/bacnet/code/3220, https://sourceforge.net/p/bacnet/code/3223, https://sourceforge.net/p/bacnet/code/3224, https://sourceforge.net/p/bacnet/code/3225, https://sourceforge.net/p/bacnet/bugs/62/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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