CVE-2017-13687

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Source
https://nvd.nist.gov/vuln/detail/CVE-2017-13687
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-13687.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-13687
Downstream
Related
Published
2017-09-14T06:29:03Z
Modified
2025-10-15T08:45:46.534007Z
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 Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print().

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
866c60236c41cea1e1654c8a071897292f64be49
Fixed
a1eefe986065846b6c69dbc09afd9fa1a02c4a3d

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-bp

Database specific

vanir_signatures

[
    {
        "signature_type": "Function",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd9fa1a02c4a3d",
        "signature_version": "v1",
        "target": {
            "function": "chdlc_print",
            "file": "print-chdlc.c"
        },
        "digest": {
            "function_hash": "18473997626305188289610787641774339287",
            "length": 1191.0
        },
        "id": "CVE-2017-13687-5fe37d96"
    },
    {
        "signature_type": "Line",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd9fa1a02c4a3d",
        "signature_version": "v1",
        "target": {
            "file": "print-chdlc.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "316976449553640771577171099658758470672",
                "182679714387905476500722478013092014188",
                "305309176765109282260381313260571841251",
                "184753272182606180824872960112245758904",
                "102373690910737083653525715600814955755",
                "257573662026014160002786953934599094073",
                "319997716853583932194186361496462633090",
                "146756752595240435015549524888600435478",
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                "22483028605970970210744859483382388660",
                "108394460453013775475090945721768474259",
                "51269584062564314715717139383468126793"
            ]
        },
        "id": "CVE-2017-13687-7a9234e8"
    },
    {
        "signature_type": "Function",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd9fa1a02c4a3d",
        "signature_version": "v1",
        "target": {
            "function": "chdlc_if_print",
            "file": "print-chdlc.c"
        },
        "digest": {
            "function_hash": "297324947578263784321719857566373230374",
            "length": 292.0
        },
        "id": "CVE-2017-13687-da3924fb"
    }
]