USN-3802-1

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Source
https://ubuntu.com/security/notices/USN-3802-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3802-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-3802-1
Upstream
Related
Published
2018-10-26T14:29:46.486119Z
Modified
2025-10-13T04:34:44Z
Summary
xorg-server, xorg-server-hwe-16.04 vulnerability
Details

Narendra Shinde discovered that the X.Org X server incorrectly handled certain command line parameters when running as root with the legacy wrapper. When certain graphics drivers are being used, a local attacker could possibly use this issue to overwrite arbitrary files and escalate privileges.

References

Affected packages

Ubuntu:16.04:LTS / xorg-server-hwe-16.04

Package

Name
xorg-server-hwe-16.04
Purl
pkg:deb/ubuntu/xorg-server-hwe-16.04@2:1.19.6-1ubuntu4.1~16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.19.6-1ubuntu4.1~16.04.2

Affected versions

2:1.*

2:1.18.4-1ubuntu6.1~16.04.1
2:1.18.4-1ubuntu6.1~16.04.2
2:1.19.3-1ubuntu1~16.04.2
2:1.19.3-1ubuntu1~16.04.3
2:1.19.3-1ubuntu1~16.04.4
2:1.19.5-0ubuntu2~16.04.1
2:1.19.6-1ubuntu4~16.04.1
2:1.19.6-1ubuntu4.1~16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "xmir-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
        },
        {
            "binary_name": "xorg-server-source-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
        },
        {
            "binary_name": "xserver-xephyr-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
        },
        {
            "binary_name": "xserver-xorg-core-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
        },
        {
            "binary_name": "xserver-xorg-dev-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
        },
        {
            "binary_name": "xserver-xorg-legacy-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
        },
        {
            "binary_name": "xwayland-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2018-14665"
        }
    ]
}

Ubuntu:18.04:LTS / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/ubuntu/xorg-server@2:1.19.6-1ubuntu4.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.19.6-1ubuntu4.2

Affected versions

2:1.*

2:1.19.5-0ubuntu2
2:1.19.6-1ubuntu1
2:1.19.6-1ubuntu2
2:1.19.6-1ubuntu3
2:1.19.6-1ubuntu4
2:1.19.6-1ubuntu4.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "xdmx",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xdmx-tools",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xmir",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xnest",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xorg-server-source",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xserver-common",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xserver-xephyr",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xserver-xorg-core",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xserver-xorg-dev",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xserver-xorg-legacy",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xserver-xorg-xmir",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xvfb",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        },
        {
            "binary_name": "xwayland",
            "binary_version": "2:1.19.6-1ubuntu4.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2018-14665"
        }
    ]
}