UBUNTU-CVE-2018-19788

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Source
https://ubuntu.com/security/CVE-2018-19788
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19788.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-19788
Upstream
Downstream
Related
Published
2018-12-03T00:00:00Z
Modified
2025-09-08T16:45:05Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.

References

Affected packages

Ubuntu:14.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1@0.105-4ubuntu3.14.04.5?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.105-4ubuntu3.14.04.5

Affected versions

0.*

0.105-3ubuntu3
0.105-4ubuntu1
0.105-4ubuntu2
0.105-4ubuntu2.14.04.1
0.105-4ubuntu3.14.04.1
0.105-4ubuntu3.14.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        },
        {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        },
        {
            "binary_name": "libpolkit-agent-1-dev",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        },
        {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        },
        {
            "binary_name": "libpolkit-backend-1-dev",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        },
        {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        },
        {
            "binary_name": "libpolkit-gobject-1-dev",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        },
        {
            "binary_name": "policykit-1",
            "binary_version": "0.105-4ubuntu3.14.04.5"
        }
    ]
}

Ubuntu:16.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1@0.105-14.1ubuntu0.4?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.105-14.1ubuntu0.4

Affected versions

0.*

0.105-11ubuntu2
0.105-13
0.105-13ubuntu1
0.105-14
0.105-14.1
0.105-14.1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-14.1ubuntu0.4"
        },
        {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-14.1ubuntu0.4"
        },
        {
            "binary_name": "libpolkit-agent-1-dev",
            "binary_version": "0.105-14.1ubuntu0.4"
        },
        {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-14.1ubuntu0.4"
        },
        {
            "binary_name": "libpolkit-backend-1-dev",
            "binary_version": "0.105-14.1ubuntu0.4"
        },
        {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-14.1ubuntu0.4"
        },
        {
            "binary_name": "libpolkit-gobject-1-dev",
            "binary_version": "0.105-14.1ubuntu0.4"
        },
        {
            "binary_name": "policykit-1",
            "binary_version": "0.105-14.1ubuntu0.4"
        }
    ]
}

Ubuntu:18.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1@0.105-20ubuntu0.18.04.4?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.105-20ubuntu0.18.04.4

Affected versions

0.*

0.105-18
0.105-20
0.105-20ubuntu0.18.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        },
        {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        },
        {
            "binary_name": "libpolkit-agent-1-dev",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        },
        {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        },
        {
            "binary_name": "libpolkit-backend-1-dev",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        },
        {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        },
        {
            "binary_name": "libpolkit-gobject-1-dev",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        },
        {
            "binary_name": "policykit-1",
            "binary_version": "0.105-20ubuntu0.18.04.4"
        }
    ]
}