USN-3618-1

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Source
https://ubuntu.com/security/notices/USN-3618-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3618-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-3618-1
Upstream
Related
Published
2018-04-04T14:43:45.554388Z
Modified
2025-10-13T04:34:36Z
Summary
libvncserver vulnerability
Details

It was discovered that LibVNCServer incorrectly handled certain packet lengths. A remote attacker able to connect to a LibVNCServer could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code.

References

Affected packages

Ubuntu:14.04:LTS / libvncserver

Package

Name
libvncserver
Purl
pkg:deb/ubuntu/libvncserver@0.9.9+dfsg-1ubuntu1.3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.9+dfsg-1ubuntu1.3

Affected versions

0.*

0.9.9+dfsg-1
0.9.9+dfsg-1ubuntu1
0.9.9+dfsg-1ubuntu1.1
0.9.9+dfsg-1ubuntu1.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.9+dfsg-1ubuntu1.3",
            "binary_name": "libvncserver-config"
        },
        {
            "binary_version": "0.9.9+dfsg-1ubuntu1.3",
            "binary_name": "libvncserver-dev"
        },
        {
            "binary_version": "0.9.9+dfsg-1ubuntu1.3",
            "binary_name": "libvncserver0"
        },
        {
            "binary_version": "0.9.9+dfsg-1ubuntu1.3",
            "binary_name": "linuxvnc"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2018-7225"
            }
        ]
    }
}

Ubuntu:16.04:LTS / libvncserver

Package

Name
libvncserver
Purl
pkg:deb/ubuntu/libvncserver@0.9.10+dfsg-3ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.10+dfsg-3ubuntu0.16.04.2

Affected versions

0.*

0.9.10+dfsg-3
0.9.10+dfsg-3build1
0.9.10+dfsg-3ubuntu0.16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.2",
            "binary_name": "libvncclient1"
        },
        {
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.2",
            "binary_name": "libvncserver-config"
        },
        {
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.2",
            "binary_name": "libvncserver-dev"
        },
        {
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.2",
            "binary_name": "libvncserver1"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2018-7225"
            }
        ]
    }
}