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    CVE-2018-16452

    The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.

    Published:Oct 2, 2019
    Last Modified:Dec 3, 2025
    EPS:Oct 3, 2019
    EPSS Score:0.01235
    CVSS Score:7.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Tcpdump
    Product
    Tcpdump

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
    http://seclists.org/fulldisclosure/2019/Dec/26
    https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
    https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778
    https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
    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://seclists.org/bugtraq/2019/Dec/23
    https://seclists.org/bugtraq/2019/Oct/28
    https://security.netapp.com/advisory/ntap-20200120-0001/
    https://support.apple.com/kb/HT210788
    https://usn.ubuntu.com/4252-1/
    https://usn.ubuntu.com/4252-2/
    https://www.debian.org/security/2019/dsa-4547
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
    http://seclists.org/fulldisclosure/2019/Dec/26
    https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
    https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778
    https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
    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://seclists.org/bugtraq/2019/Dec/23
    https://seclists.org/bugtraq/2019/Oct/28
    https://security.netapp.com/advisory/ntap-20200120-0001/
    https://support.apple.com/kb/HT210788
    https://usn.ubuntu.com/4252-1/
    https://usn.ubuntu.com/4252-2/
    https://www.debian.org/security/2019/dsa-4547

    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