UBUNTU-CVE-2018-20781

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Source
https://ubuntu.com/security/CVE-2018-20781
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20781.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20781
Upstream
Downstream
Related
Published
2019-02-12T00:00:00Z
Modified
2025-09-08T16:45:07Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.

References

Affected packages

Ubuntu:14.04:LTS / gnome-keyring

Package

Name
gnome-keyring
Purl
pkg:deb/ubuntu/gnome-keyring@3.10.1-1ubuntu4.4?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.10.1-1ubuntu4.4

Affected versions

3.*

3.8.2-0ubuntu3
3.10.1-1ubuntu3
3.10.1-1ubuntu4
3.10.1-1ubuntu4.1
3.10.1-1ubuntu4.2
3.10.1-1ubuntu4.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.10.1-1ubuntu4.4",
            "binary_name": "gnome-keyring"
        },
        {
            "binary_version": "3.10.1-1ubuntu4.4",
            "binary_name": "libp11-kit-gnome-keyring"
        },
        {
            "binary_version": "3.10.1-1ubuntu4.4",
            "binary_name": "libpam-gnome-keyring"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / gnome-keyring

Package

Name
gnome-keyring
Purl
pkg:deb/ubuntu/gnome-keyring@3.18.3-0ubuntu2.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.18.3-0ubuntu2.1

Affected versions

3.*

3.16.0-4ubuntu2
3.18.3-0ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.18.3-0ubuntu2.1",
            "binary_name": "gnome-keyring"
        },
        {
            "binary_version": "3.18.3-0ubuntu2.1",
            "binary_name": "libp11-kit-gnome-keyring"
        },
        {
            "binary_version": "3.18.3-0ubuntu2.1",
            "binary_name": "libpam-gnome-keyring"
        }
    ],
    "availability": "No subscription required"
}