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    CVE-2019-12480

    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.

    Published:May 30, 2019
    Last Modified:Nov 21, 2024
    EPS:May 30, 2019
    EPSS Score:0.20348
    CVSS Score:7.5

    Affected Products

    Vendor
    Bacnet Protocol Stack Project
    Product
    Bacnet Protocol Stack

    Exploits

    https://sourceforge.net/p/bacnet/bugs/62/https://sourceforge.net/p/bacnet/bugs/62/https://www.exploit-db.com/exploits/47148

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    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