USN-3737-1

A use-after-free was discovered in GDM. A local user could exploit this to cause a denial of service, or potentially execute arbitrary code as the administrator.

References

Affected packages

Ubuntu:18.04:LTS / gdm3

Package

Name: gdm3
Purl: pkg:deb/ubuntu/gdm3@3.28.2-0ubuntu1.4?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.28.2-0ubuntu1.4

Affected versions

3.*

3.26.1-3ubuntu2

3.26.1-3ubuntu3

3.26.2.1-0ubuntu1

3.26.2.1-2ubuntu1

3.26.2.1-2ubuntu2

3.27.90-0ubuntu1

3.27.92-0ubuntu1

3.28.0-0ubuntu1

3.28.2-0ubuntu1.2

3.28.2-0ubuntu1.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gdm3",
            "binary_version": "3.28.2-0ubuntu1.4"
        },
        {
            "binary_name": "gir1.2-gdm-1.0",
            "binary_version": "3.28.2-0ubuntu1.4"
        },
        {
            "binary_name": "libgdm-dev",
            "binary_version": "3.28.2-0ubuntu1.4"
        },
        {
            "binary_name": "libgdm1",
            "binary_version": "3.28.2-0ubuntu1.4"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2018-14424"
        }
    ]
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3737-1.json"