CVE-2018-20749

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Source
https://cve.org/CVERecord?id=CVE-2018-20749
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20749.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-20749
Downstream
Related
Published
2019-01-30T18:29:00.410Z
Modified
2026-05-16T11:53:30.814197767Z
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

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
            ],
            "source": "CPE_FIELD",
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
                {
                    "last_affected": "14.04"
                },
                {
                    "last_affected": "16.04"
                },
                {
                    "last_affected": "16.04"
                },
                {
                    "last_affected": "18.04"
                },
                {
                    "last_affected": "18.10"
                }
            ]
        },
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                },
                {
                    "last_affected": "9.0"
                }
            ]
        },
        {
            "cpes": [
                "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "siemens:simatic_itc1500_firmware",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "introduced": "3.0.0.0"
                },
                {
                    "fixed": "3.2.1.0"
                }
            ]
        },
        {
            "cpes": [
                "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "siemens:simatic_itc1500_pro_firmware",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "introduced": "3.0.0.0"
                },
                {
                    "fixed": "3.2.1.0"
                }
            ]
        },
        {
            "cpes": [
                "cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_FIELD",
            "vendor_product": "siemens:simatic_itc1900_firmware",
            "extracted_events": [
                {
                    "introduced": "3.0.0.0"
                },
                {
                    "fixed": "3.2.1.0"
                }
            ]
        },
        {
            "cpes": [
                "cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "siemens:simatic_itc1900_pro_firmware",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "introduced": "3.0.0.0"
                },
                {
                    "fixed": "3.2.1.0"
                }
            ]
        },
        {
            "cpes": [
                "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_FIELD",
            "vendor_product": "siemens:simatic_itc2200_firmware",
            "extracted_events": [
                {
                    "introduced": "3.0.0.0"
                },
                {
                    "fixed": "3.2.1.0"
                }
            ]
        },
        {
            "cpes": [
                "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_FIELD",
            "vendor_product": "siemens:simatic_itc2200_pro_firmware",
            "extracted_events": [
                {
                    "introduced": "3.0.0.0"
                },
                {
                    "fixed": "3.2.1.0"
                }
            ]
        }
    ]
}
References

Affected packages