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    CVE-2018-19519

    In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.

    Published:Nov 25, 2018
    Last Modified:Nov 21, 2024
    EPS:Nov 25, 2018
    EPSS Score:0.00298
    CVSS Score:5.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Tcpdump
    Product
    Tcpdump

    Exploits

    https://github.com/zyingp/temp/blob/master/tcpdump.mdhttps://github.com/zyingp/temp/blob/master/tcpdump.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    http://www.securityfocus.com/bid/106098
    https://access.redhat.com/errata/RHSA-2019:3976
    https://github.com/zyingp/temp/blob/master/tcpdump.md
    https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
    https://usn.ubuntu.com/4252-1/
    https://usn.ubuntu.com/4252-2/
    http://www.securityfocus.com/bid/106098
    https://access.redhat.com/errata/RHSA-2019:3976
    https://github.com/zyingp/temp/blob/master/tcpdump.md
    https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
    https://usn.ubuntu.com/4252-1/
    https://usn.ubuntu.com/4252-2/

    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