CVE-2018-14461

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-14461
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14461.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-14461
Downstream
Related
Published
2019-10-03T16:15:11Z
Modified
2025-10-21T04:25:01.140092Z
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 LDP parser in tcpdump before 4.9.3 has a buffer over-read in print-ldp.c:ldptlvprint().

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
aa5c6b710dfd8020d2c908d6b3bd41f1da719b3b

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

[
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "161581225281747949875289021539690713008",
            "length": 2599.0
        },
        "target": {
            "file": "print-ldp.c",
            "function": "ldp_pdu_print"
        },
        "signature_version": "v1",
        "id": "CVE-2018-14461-0c7ffd40",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/aa5c6b710dfd8020d2c908d6b3bd41f1da719b3b"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "93760966478014213445068173713067531115",
            "length": 7547.0
        },
        "target": {
            "file": "print-ldp.c",
            "function": "ldp_tlv_print"
        },
        "signature_version": "v1",
        "id": "CVE-2018-14461-3d3a7295",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/aa5c6b710dfd8020d2c908d6b3bd41f1da719b3b"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "289703030268166481232338153373594049307",
                "223427521997023309030568600153848105205",
                "176811483851737040482533352398485090073",
                "526230578838001528384196752132589473",
                "312336997356234814854410701948318556676",
                "242945709961197347557567827568716395562",
                "212117046461965677033427183275016328297",
                "130447880486094321317912178515264487440",
                "12182785764981433583583166476737959419",
                "164964746033491799180527021092923223130",
                "59933227455414946547617900343596837583",
                "65627742088940378838481512941441019359",
                "252614537185397388577631200571045662647",
                "94975332246970566628116546097558289520",
                "272379595508813694787323207093681095914",
                "163926649660697997160215476178735881868",
                "69930003485799567049909765582590009631",
                "198659329478209431905536569868825448297"
            ]
        },
        "target": {
            "file": "print-ldp.c"
        },
        "signature_version": "v1",
        "id": "CVE-2018-14461-52a1d1a1",
        "deprecated": false,
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/aa5c6b710dfd8020d2c908d6b3bd41f1da719b3b"
    }
]