# CVE-2018-16838: libipa_hbac: The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories a...

CVE-2018-16838 is fixed in 45 products on 1 platform, first by RHSA-2019:3651, released November 5, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-16838
- Priority: Routine
- CVSS: 5.4 (Low)
- EPSS: 0.0116
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 25, 2019

## Description

The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources.  The following packages have been upgraded to a later upstream version: sssd (2.2.0). (BZ#1687281)  Security Fix(es):  * sssd: improper implementation of GPOs due to too restrictive permissions (CVE-2018-16838)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libipa-hbac0 Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libipa-hbac0 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libipa-hbac0-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libipa_hbac RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libipa_hbac ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libnss-sss Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libnss-sss 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss-sss-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libpam-sss Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libpam-sss 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpam-sss-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libsss-certmap0 Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libsss-certmap0 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsss-certmap0-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libsss-idmap0 Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libsss-idmap0 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsss-idmap0-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libsss-nss-idmap0 Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libsss-nss-idmap0 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsss-nss-idmap0-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libsss-simpleifp0 Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libsss-simpleifp0 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsss-simpleifp0-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libsss-sudo Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libsss-sudo 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsss-sudo-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | libsss_autofs RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libsss_autofs ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libsss_certmap RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libsss_certmap ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libsss_idmap RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libsss_idmap ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libsss_nss_idmap RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libsss_nss_idmap ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libsss_nss_idmap-devel RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libsss_nss_idmap-devel ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libsss_simpleifp RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libsss_simpleifp ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libsss_sudo RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | libsss_sudo ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | libwbclient-sssd Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [libwbclient-sssd 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwbclient-sssd-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | python-libipa-hbac Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [python-libipa-hbac 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-libipa-hbac-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | python-libsss-nss-idmap Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [python-libsss-nss-idmap 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-libsss-nss-idmap-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | python-sss Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [python-sss 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-sss-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | python3-libipa-hbac Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [python3-libipa-hbac 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-libipa-hbac-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | python3-libipa_hbac RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | python3-libipa_hbac ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | python3-libsss-nss-idmap Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [python3-libsss-nss-idmap 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-libsss-nss-idmap-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | python3-libsss_nss_idmap RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | python3-libsss_nss_idmap ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | python3-sss RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | python3-sss Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [python3-sss 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-sss-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | python3-sss ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | python3-sss-murmur RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | python3-sss-murmur ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | python3-sssdconfig RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | python3-sssdconfig ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-ad RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-ad Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-ad 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-ad-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-ad ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-ad-common Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-ad-common 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-ad-common-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-client RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-client ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-common RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-common Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-common 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-common-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-common ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-common-pac RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-common-pac ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-dbus RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-dbus Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-dbus 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-dbus-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-dbus ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-ipa RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-ipa Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-ipa 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-ipa-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-ipa ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-kcm RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-kcm Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-kcm 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-kcm-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-kcm ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-krb5 RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-krb5 Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-krb5 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-krb5-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-krb5 ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-krb5-common RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-krb5-common Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-krb5-common 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-krb5-common-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-krb5-common ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-ldap RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-ldap Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-ldap 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-ldap-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-ldap ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-libwbclient RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-libwbclient ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-nfs-idmap RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-nfs-idmap ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-polkit-rules RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-polkit-rules ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-proxy RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-proxy Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-proxy 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-proxy-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-proxy ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-tools RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-tools Ubuntu 18.04.6 LTS (bionic) | 1.16.1-1ubuntu1.8 | [sssd-tools 1.16.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sssd-tools-1.16.1-1ubuntu1.8.md) | Aug 15, 2021 |
| Linux | sssd-tools ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |
| Linux | sssd-winbind-idmap RHEL 8 | 0:2.2.0-19.el8 | [RHSA-2019:3651](https://patchblox.com/security/data/fix/linux/rhsa-2019-3651.md) | Nov 5, 2019 |
| Linux | sssd-winbind-idmap ol 8 | 0:2.2.0-19.el8 | [ELSA-2019-3651](https://patchblox.com/security/data/fix/linux/elsa-2019-3651.md) | Nov 14, 2019 |

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