CVE-2018-16228

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Source
https://cve.org/CVERecord?id=CVE-2018-16228
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-16228.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-16228
Downstream
Related
Published
2019-10-03T16:15:12.443Z
Modified
2026-05-30T10:55:04.466091Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().

Database specific 
{
    "unresolved_ranges": [
        {
            "vendor_product": "apple:mac_os_x",
            "extracted_events": [
                {
                    "fixed": "10.15.2"
                }
            ],
            "cpes": [
                "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_RANGE"
        },
        {
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                },
                {
                    "last_affected": "9.0"
                },
                {
                    "last_affected": "10.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "last_affected": "29"
                },
                {
                    "last_affected": "30"
                },
                {
                    "last_affected": "31"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "opensuse:leap",
            "extracted_events": [
                {
                    "last_affected": "15.0"
                },
                {
                    "last_affected": "15.1"
                }
            ],
            "cpes": [
                "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "redhat:enterprise_linux",
            "extracted_events": [
                {
                    "last_affected": "7.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/the-tcpdump-group/tcpdump

Affected ranges

Type
GIT
Repo
https://github.com/the-tcpdump-group/tcpdump
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d9a693b043262f1999ee7aba28acadfd0f77cc38
Fixed
83a412a5275cac973c5841eca3511c766bed778d
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.9.3"
        }
    ],
    "cpe": "cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

tcpdump-3.*
tcpdump-3.5.1
tcpdump-3.6.1
tcpdump-3.7.1
tcpdump-3.8-bp
tcpdump-4.*
tcpdump-4.5.0
tcpdump-4.6.0
tcpdump-4.6.0-bp
tcpdump-4.7.0-bp
tcpdump-4.9.0
tcpdump-4.9.0-bp
tcpdump-4.9.1
tcpdump-4.9.2

Database specific

vanir_signatures_modified 
"2026-05-30T10:55:04Z"
vanir_signatures 
[
    {
        "digest": {
            "line_hashes": [
                "82653047130844687532075593832190286391",
                "39272921111180887065632568385857968378",
                "338787201149716761291721418575523493611",
                "310234425767405402204612877103249221795"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "id": "CVE-2018-16228-b4fb5fe4",
        "signature_type": "Line",
        "deprecated": false,
        "target": {
            "file": "print-hncp.c"
        },
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/83a412a5275cac973c5841eca3511c766bed778d"
    },
    {
        "digest": {
            "function_hash": "35104176221753219027347632708859884390",
            "length": 898.0
        },
        "signature_version": "v1",
        "id": "CVE-2018-16228-eb9858a7",
        "signature_type": "Function",
        "deprecated": false,
        "target": {
            "file": "print-hncp.c",
            "function": "print_prefix"
        },
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/83a412a5275cac973c5841eca3511c766bed778d"
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-16228.json"