USN-4398-2

Kevin Backhouse discovered that DBus incorrectly handled file descriptors. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / dbus

Package

Name: dbus
Purl: pkg:deb/ubuntu/dbus@1.6.18-0ubuntu4.5+esm2?arch=source&distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.6.18-0ubuntu4.5+esm2

Affected versions

1.*

1.6.12-0ubuntu10

1.6.18-0ubuntu1

1.6.18-0ubuntu2

1.6.18-0ubuntu3

1.6.18-0ubuntu4

1.6.18-0ubuntu4.1

1.6.18-0ubuntu4.2

1.6.18-0ubuntu4.3

1.6.18-0ubuntu4.4

1.6.18-0ubuntu4.5

1.6.18-0ubuntu4.5+esm1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "dbus",
            "binary_version": "1.6.18-0ubuntu4.5+esm2"
        },
        {
            "binary_name": "dbus-x11",
            "binary_version": "1.6.18-0ubuntu4.5+esm2"
        },
        {
            "binary_name": "libdbus-1-3",
            "binary_version": "1.6.18-0ubuntu4.5+esm2"
        },
        {
            "binary_name": "libdbus-1-dev",
            "binary_version": "1.6.18-0ubuntu4.5+esm2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4398-2.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2020-12049"
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}