CVE-2017-13020

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Source
https://cve.org/CVERecord?id=CVE-2017-13020
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-13020.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-13020
Downstream
Related
Published
2017-09-14T06:29:01Z
Modified
2026-07-08T11:47:53Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The VTP parser in tcpdump before 4.9.2 has a buffer over-read in print-vtp.c:vtp_print().

Database specific 
{
    "unresolved_ranges":  [
        {
            "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:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "8.0"
                },
                {
                    "last_affected":  "8.0"
                },
                {
                    "introduced":  "9.0"
                },
                {
                    "last_affected":  "9.0"
                },
                {
                    "introduced":  "10.0"
                },
                {
                    "last_affected":  "10.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "debian:debian_linux"
        }
    ]
}
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
Last Affected
993a67c8e648bc8b19881e29a60f41273cfbee7b
Fixed
c5dd7bef5e54da5996dc4713284aa6266ae75b75
Fixed
d692d67332bcc90540088ad8e725eb3279e39863
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "4.9.1"
        }
    ],
    "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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-13020.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "189016524707002346352972255880292324190",
            "length":  3581
        },
        "id":  "CVE-2017-13020-026c7220",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/the-tcpdump-group/tcpdump/commit/c5dd7bef5e54da5996dc4713284aa6266ae75b75",
        "target":  {
            "file":  "print-vtp.c",
            "function":  "vtp_print"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "125022989782758936635811793572214241896",
                "23704956859129995782856183300742717689",
                "92772574987655080578909755517117719729",
                "274532621181560370364875356327450785170",
                "314179516151983467578521723028472741904",
                "307226669826132609380417879322844317844"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2017-13020-2ab6a4b0",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/the-tcpdump-group/tcpdump/commit/c5dd7bef5e54da5996dc4713284aa6266ae75b75",
        "target":  {
            "file":  "print-vtp.c"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T11:47:53Z"