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Red Hat Enterprise Linux 8: RHSA-2019-3651-01 Low: SSSD Security Update

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
Uncover the crucial news regarding Red Hat's SSSD, assessed with minor severity impacting identity management solutions.
An update for sssd is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat bug fix low severity authentication sssd update system service

References

https://access.redhat.com/security/cve/CVE-2018-16838 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: sssd-2.2.0-19.el8.src.rpm
aarch64: libipa_hbac-2.2.0-19.el8.aarch64.rpm libipa_hbac-debuginfo-2.2.0-19.el8.aarch64.rpm libsss_autofs-2.2.0-19.el8.aarch64.rpm libsss_autofs-debuginfo-2.2.0-19.el8.aarch64.rpm libsss_certmap-2.2.0-19.el8.aarch64.rpm libsss_certmap-debuginfo-2.2.0-19.el8.aarch64.rpm libsss_idmap-2.2.0-19.el8.aarch64.rpm libsss_idmap-debuginfo-2.2.0-19.el8.aarch64.rpm libsss_nss_idmap-2.2.0-19.el8.aarch64.rpm libsss_nss_idmap-debuginfo-2.2.0-19.el8.aarch64.rpm libsss_simpleifp-2.2.0-19.el8.aarch64.rpm libsss_simpleifp-debuginfo-2.2.0-19.el8.aarch64.rpm libsss_sudo-2.2.0-19.el8.aarch64.rpm libsss_sudo-debuginfo-2.2.0-19.el8.aarch64.rpm python3-libipa_hbac-2.2.0-19.el8.aarch64.rpm python3-libipa_hbac-debuginfo-2.2.0-19.el8.aarch64.rpm python3-libsss_nss_idmap-2.2.0-19.el8.aarch64.rpm python3-libsss_nss_idmap-debuginfo-2.2.0-19.el8.aarch64.rpm python3-sss-2.2.0-19.el8.aarch64.rpm python3-sss-debuginfo-2.2.0-19.el8.aarch64.rpm python3-sss-murmur-2.2.0-19.el8.aarch64.rpm python3-sss-murmur-debuginfo-2.2.0-19.el8.aarch64.rpm sssd-2.2.0-19.el8.aarch64.rpm sssd-ad-2.2.0-19.el8.aarch64.rpm sssd-ad-debuginfo-2.2.0-19.el8.aarch64.rpm sssd-client-2.2.0-19.el8.aarch64.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3651-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3651
Issue date: 2019-11-05

Topic

An update for sssd is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat bug fix low severity authentication sssd update system service

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1283798 - sssd failover does not work on connecting to non-responsive ldaps:// server

1598457 - Attributes not present in Global Catalog can be removed from the cache during GC lookups

1638295 - sssctl user-checks does not show custom IFP user_attributes

1640820 - CVE-2018-16838 sssd: improper implementation of GPOs due to too restrictive permissions

1657665 - Error accessing files on samba share randomly

1660461 - responders chain requests that were issued before reconnection to sssd_be

1661182 - sss_cache prints spurious error messages when invoked from shadow-utils on package install

1665388 - SSSD netgroups do not honor entry_cache_nowait_percentage

1665867 - proxy provider is not working with enumerate=true when trying to fetch all groups

1667045 - Missing sssd-files in last section(SEE ALSO) of sssd man pages

1667252 - crash when requesting extra attributes

1669407 - MAN: Document that PAM stack contains the systemd-user service in the account phase in RHEL-8

1673443 - sssd man pages: The default value of "ldap_user_home_directory" is not mentioned with AD server configuration

1676385 - pam_sss with smartcard auth does not create gnome keyring

1677994 - sssd config-check reports an error for a valid configuration option

1681279 - AD user not found after establishing trust and restarting sssd

1686154 - sudorule matching when no host or hostcat set

Read the Full Advisory

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