CVE-2020-14400

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-14400
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-14400.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-14400
Downstream
Related
Published
2020-06-17T16:15:11.993Z
Modified
2025-11-14T10:44:02.427781Z
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

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary

Database specific 
{
    "isDisputed": true
}
References

Affected packages

Git / github.com/libvnc/libvncserver

Affected ranges

Type
GIT
Repo
https://github.com/libvnc/libvncserver
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
53073c8d7e232151ea2ecd8a1243124121e10e2d

Affected versions

LibVNCServer-0.*

LibVNCServer-0.9.10
LibVNCServer-0.9.11
LibVNCServer-0.9.12
LibVNCServer-0.9.8
LibVNCServer-0.9.9

Other

X11VNC_0_9_10
X11VNC_0_9_11
X11VNC_0_9_12
X11VNC_0_9_7
X11VNC_0_9_8
X11VNC_0_9_9
X11VNC_REL_0_9_4
X11VNC_REL_0_9_5
X11VNC_REL_0_9_6

Database specific

vanir_signatures

[
    {
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2020-14400-70f37e3b",
        "source": "https://github.com/libvnc/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d",
        "digest": {
            "line_hashes": [
                "27286812576839115884543175160988269078",
                "126378025424545499359211745975564175189",
                "94072546939175517512903866765638939671",
                "142913035614552476143277396473228735757",
                "16491202129239839746453209863899231208",
                "329118107097954020458462031759542038328",
                "139540123818845539957203460069661562707",
                "262702335076891001489415279451883678023",
                "268278606668869684054629684412740624732",
                "190302750283181718757184748493504315953"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "libvncserver/translate.c"
        }
    },
    {
        "signature_type": "Function",
        "deprecated": false,
        "id": "CVE-2020-14400-bcfad6c4",
        "source": "https://github.com/libvnc/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d",
        "digest": {
            "length": 1002.0,
            "function_hash": "53011332413877103642289004836945053853"
        },
        "signature_version": "v1",
        "target": {
            "file": "libvncserver/translate.c",
            "function": "rfbSetClientColourMapBGR233"
        }
    }
]