CVE-2016-6271

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2016-6271
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6271.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2016-6271
Downstream
Published
2017-01-18T22:59:00.780Z
Modified
2025-11-20T10:29:26.171626Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

The Bzrtp library (aka libbzrtp) 1.0.x before 1.0.4 allows man-in-the-middle attackers to conduct spoofing attacks by leveraging a missing HVI check on DHPart2 packet reception.

References

Affected packages

Git / github.com/belledonnecommunications/bzrtp

Affected ranges

Type
GIT
Repo
https://github.com/belledonnecommunications/bzrtp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b

Affected versions

1.*

1.0.0
1.0.2
1.0.3

Database specific

vanir_signatures

[
    {
        "digest": {
            "line_hashes": [
                "39193105924607668272250138042150215915",
                "161611720945893536351843179455825897374",
                "59026929521637232435871698970082381378",
                "121046430960441798993995952367385948002"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2016-6271-7e03ca87",
        "target": {
            "file": "test/bzrtpTest.c"
        },
        "source": "https://github.com/belledonnecommunications/bzrtp/commit/bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b"
    },
    {
        "digest": {
            "length": 12311.0,
            "function_hash": "66355637971267211944685175048683152851"
        },
        "signature_type": "Function",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2016-6271-80760305",
        "target": {
            "file": "src/packetParser.c",
            "function": "bzrtp_packetParser"
        },
        "source": "https://github.com/belledonnecommunications/bzrtp/commit/bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b"
    },
    {
        "digest": {
            "line_hashes": [
                "72925959846706030620584963699996732637",
                "113490524439999342149187249345807459014",
                "334138754210014708556229831642139801828",
                "100172353912423640185507197280053668840",
                "293606029472866719560543630395000067264",
                "64147902449408370850796313724544928103",
                "274456228174394702745469764665481484836",
                "7003787851486458467213035817142872979",
                "163013223040820777858031349166310093379",
                "77506339242188681164775677969084742188",
                "327548673615170004622307055585458835816",
                "335035038758524611663181775161782953025",
                "261194366961044613883088910070508461931",
                "196345374842831575354194454214999777207",
                "333172544096335675575006705150085187482",
                "96968590439802370366782144259403007832",
                "151906791414295325389828161078466189906",
                "295667856615684346584874383307993272476",
                "180767851715536242837363364224127282728",
                "107293213705132986484827100554186938197"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2016-6271-ae5466ff",
        "target": {
            "file": "test/bzrtpParserTest.c"
        },
        "source": "https://github.com/belledonnecommunications/bzrtp/commit/bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b"
    },
    {
        "digest": {
            "length": 4405.0,
            "function_hash": "272225868753653681046653979833301609337"
        },
        "signature_type": "Function",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2016-6271-bb63a3f1",
        "target": {
            "file": "test/bzrtpParserTest.c",
            "function": "test_parser"
        },
        "source": "https://github.com/belledonnecommunications/bzrtp/commit/bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b"
    },
    {
        "digest": {
            "line_hashes": [
                "279319553541851576540462727661569971516"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2016-6271-cd806773",
        "target": {
            "file": "test/bzrtpParserTest.h"
        },
        "source": "https://github.com/belledonnecommunications/bzrtp/commit/bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b"
    },
    {
        "digest": {
            "length": 1370.0,
            "function_hash": "183045543497994461123045877589364690699"
        },
        "signature_type": "Function",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2016-6271-f8bbc7b1",
        "target": {
            "file": "test/bzrtpTest.c",
            "function": "main"
        },
        "source": "https://github.com/belledonnecommunications/bzrtp/commit/bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b"
    }
]