UBUNTU-CVE-2018-16838

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/CVE-2018-16838

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16838.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-16838

Upstream

CVE-2018-16838

Downstream

USN-5067-1

Related

USN-5067-1

Published

2019-03-25T18:29:00Z

Modified

2025-10-24T04:47:12Z

Severity

5.4 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
5.4 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Ubuntu - low

Summary

[none]

Details

A flaw was found in sssd Group Policy Objects implementation. When the GPO is not readable by SSSD due to a too strict permission settings on the server side, SSSD will allow all authenticated users to login instead of denying access.

References

Affected packages

Ubuntu:16.04:LTS / sssd

Package

Name: sssd
Purl: pkg:deb/ubuntu/sssd@1.13.4-1ubuntu1.15?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.12.5-2

1.13.1-2

1.13.2-1

1.13.3-1

1.13.4-1

1.13.4-1ubuntu1

1.13.4-1ubuntu1.1

1.13.4-1ubuntu1.2

1.13.4-1ubuntu1.5

1.13.4-1ubuntu1.6

1.13.4-1ubuntu1.7

1.13.4-1ubuntu1.8

1.13.4-1ubuntu1.9

1.13.4-1ubuntu1.10

1.13.4-1ubuntu1.11

1.13.4-1ubuntu1.12

1.13.4-1ubuntu1.13

1.13.4-1ubuntu1.14

1.13.4-1ubuntu1.15

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libipa-hbac-dev",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libipa-hbac0",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libnss-sss",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libpam-sss",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libsss-idmap-dev",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libsss-idmap0",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libsss-nss-idmap-dev",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libsss-nss-idmap0",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libsss-simpleifp-dev",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libsss-simpleifp0",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libsss-sudo",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libwbclient-sssd",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "libwbclient-sssd-dev",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "python-libipa-hbac",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "python-libsss-nss-idmap",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "python-sss",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "python3-libipa-hbac",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "python3-libsss-nss-idmap",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "python3-sss",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-ad",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-ad-common",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-common",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-dbus",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-ipa",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-krb5",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-krb5-common",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-ldap",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-proxy",
            "binary_version": "1.13.4-1ubuntu1.15"
        },
        {
            "binary_name": "sssd-tools",
            "binary_version": "1.13.4-1ubuntu1.15"
        }
    ]
}

Ubuntu:18.04:LTS / sssd

Package

Name: sssd
Purl: pkg:deb/ubuntu/sssd@1.16.1-1ubuntu1.8?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.16.1-1ubuntu1.8

Affected versions

1.*

1.15.3-2ubuntu1

1.15.3-3ubuntu1

1.16.0-5ubuntu1

1.16.0-5ubuntu2

1.16.1-1ubuntu1

1.16.1-1ubuntu1.1

1.16.1-1ubuntu1.2

1.16.1-1ubuntu1.3

1.16.1-1ubuntu1.4

1.16.1-1ubuntu1.5

1.16.1-1ubuntu1.6

1.16.1-1ubuntu1.7

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libipa-hbac-dev",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libipa-hbac0",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libnss-sss",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libpam-sss",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-certmap-dev",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-certmap0",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-idmap-dev",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-idmap0",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-nss-idmap-dev",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-nss-idmap0",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-simpleifp-dev",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-simpleifp0",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libsss-sudo",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libwbclient-sssd",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "libwbclient-sssd-dev",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "python-libipa-hbac",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "python-libsss-nss-idmap",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "python-sss",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "python3-libipa-hbac",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "python3-libsss-nss-idmap",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "python3-sss",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-ad",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-ad-common",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-common",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-dbus",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-ipa",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-kcm",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-krb5",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-krb5-common",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-ldap",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-proxy",
            "binary_version": "1.16.1-1ubuntu1.8"
        },
        {
            "binary_name": "sssd-tools",
            "binary_version": "1.16.1-1ubuntu1.8"
        }
    ]
}