CVE-2017-12996

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2017-12996
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12996.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-12996
Downstream
Related
Published
2017-09-14T06:29:00Z
Modified
2025-10-21T04:10:32.231527Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The PIMv2 parser in tcpdump before 4.9.2 has a buffer over-read in print-pim.c:pimv2_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
6fca58f5f9c96749a575f52e20598ad43f5bdf30

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

[
    {
        "target": {
            "file": "print-pim.c"
        },
        "digest": {
            "line_hashes": [
                "289876505198630046422597044607557754421",
                "12738731297553397805119067985592723172",
                "209631195632104447233238997829986229308",
                "143683784065402934898732859173838843187",
                "236605646285853497094413697933887831770",
                "188090322465602506806480921408712883144",
                "284621384246339058973613918913533801231",
                "144574507414572194988300722985292034659",
                "248033844199847269240735567784500022452",
                "217474381590077364569132290516179265979",
                "90270771996288021068791626422536679777",
                "198671772472801033512288081496239296443",
                "221907743673885976016842209871830504277",
                "268345896863523104210542952840955488765",
                "75707969291147740623003097206326306337",
                "229784963628038062835654329713272340447",
                "265796041577422769994238701403912831091"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "id": "CVE-2017-12996-776485a0",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/6fca58f5f9c96749a575f52e20598ad43f5bdf30",
        "signature_version": "v1"
    },
    {
        "target": {
            "function": "pimv2_print",
            "file": "print-pim.c"
        },
        "digest": {
            "length": 10381.0,
            "function_hash": "116608827616405372022811249068572440064"
        },
        "signature_type": "Function",
        "id": "CVE-2017-12996-b18c012d",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/6fca58f5f9c96749a575f52e20598ad43f5bdf30",
        "signature_version": "v1"
    }
]