CVE-2017-12902

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Source
https://nvd.nist.gov/vuln/detail/CVE-2017-12902
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-12902.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-12902
Downstream
Related
Published
2017-09-14T06:29:00Z
Modified
2025-10-15T08:45:17.759868Z
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 Zephyr parser in tcpdump before 4.9.2 has a buffer over-read in print-zephyr.c, several functions.

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
6ec0c6fa63412c7a07a5bcb790a529c3563b4173
Fixed
d17507ffa3e9742199b02a66aa940e79ababfa30

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

[
    {
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/d17507ffa3e9742199b02a66aa940e79ababfa30",
        "deprecated": false,
        "digest": {
            "function_hash": "277319140751261064872745785620545304858",
            "length": 4916.0
        },
        "target": {
            "file": "print-zephyr.c",
            "function": "zephyr_print"
        },
        "id": "CVE-2017-12902-79f0ca8b",
        "signature_type": "Function",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/d17507ffa3e9742199b02a66aa940e79ababfa30",
        "deprecated": false,
        "digest": {
            "function_hash": "76092391289975248911401681465474490029",
            "length": 514.0
        },
        "target": {
            "file": "print-zephyr.c",
            "function": "parse_field"
        },
        "id": "CVE-2017-12902-7b37b063",
        "signature_type": "Function",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/d17507ffa3e9742199b02a66aa940e79ababfa30",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "119673634723875607127946671029830858103",
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                "27644113763819955476552195879163200148",
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                "191717461914300808596984512909934224332",
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                "90575409324424064953576619477265851665",
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                "272376472471453025432131712840062229759",
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                "250742848046822907045663439047166636870",
                "302134235544915112218012580759837519877",
                "261982988453301935160528459486668197172",
                "191499083261619246780535378972759223224",
                "130160977300423462932154306892241370243",
                "240698639552480860476860290234316581806",
                "6341285066203475181865479262216201896",
                "266602063199399257029294206198983929236",
                "281433363264116806789054671320315774102",
                "43193261484849057872092071513678245095",
                "128710345719904509691580976071494713824",
                "304129356666852536868199476512802038509",
                "134023906721578355051897526458335828384",
                "332931474105308933758621876816714155675",
                "193970055922552443355437282242291013625",
                "268228768171195390301522696957941358558",
                "220004174079435664944134262784106867003",
                "39144843577721864330020426908728086035",
                "8391945278160468812794576691088498064",
                "301010308097885572660479480568061049313",
                "333896100276427315341398967970358025759",
                "20844121377402749616491411833716430766",
                "198939695493970290794761530737694525457",
                "94094213098658863335752632490145583791",
                "87082262342162705146086775611190451251"
            ],
            "threshold": 0.9
        },
        "target": {
            "file": "print-zephyr.c"
        },
        "id": "CVE-2017-12902-ce2c8d89",
        "signature_type": "Line",
        "signature_version": "v1"
    }
]