ESB-2019.0720 - [SUSE] sssd: Unauthorised access - Existing account 2019-03-07

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0720
               SUSE-SU-2019:0552-1 Security update for sssd
                               7 March 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           sssd
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Unauthorised Access -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-3811  

Reference:         ESB-2019.0692
                   ESB-2019.0161

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20190552-1.html

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SUSE Security Update: Security update for sssd

______________________________________________________________________________

Announcement ID:   SUSE-SU-2019:0552-1
Rating:            moderate
References:        #1039567 #1082568 #1121759 #976038 #977224
Cross-References:  CVE-2019-3811
Affected Products:
                   SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

An update that solves one vulnerability and has four fixes is now available.

Description:

This update for sssd fixes the following issues:
Security vulnerability fixed:

  o CVE-2019-3811: Fix fallback_homedir returning '/' for empty home
    directories (bsc#1121759)


Other bug fixes and changes:

  o Skip sdap_save_grpmem() if ignore_group_members is set. (bsc#1082568)
  o Only search for primary group if it is not already cached (bsc#1082568)
  o Install /var/lib/sss/mc directory to correct sssd cache invalidation
    behaviour. Spec patch authored by Josef Cejka. (bsc#1039567) to fix a
    segfault in sudo provider (bsc#977224).
  o Fix a segfault in sss_cache (bsc#976038).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  o SUSE Linux Enterprise Server 12-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-2019-552=1

Package List:

  o SUSE Linux Enterprise Server 12-LTSS (ppc64le s390x x86_64):
       libipa_hbac0-1.11.5.1-10.16.1
       libipa_hbac0-debuginfo-1.11.5.1-10.16.1
       libsss_idmap0-1.11.5.1-10.16.1
       libsss_idmap0-debuginfo-1.11.5.1-10.16.1
       libsss_sudo-1.11.5.1-10.16.1
       libsss_sudo-debuginfo-1.11.5.1-10.16.1
       python-sssd-config-1.11.5.1-10.16.1
       python-sssd-config-debuginfo-1.11.5.1-10.16.1
       sssd-1.11.5.1-10.16.1
       sssd-ad-1.11.5.1-10.16.1
       sssd-ad-debuginfo-1.11.5.1-10.16.1
       sssd-debuginfo-1.11.5.1-10.16.1
       sssd-debugsource-1.11.5.1-10.16.1
       sssd-ipa-1.11.5.1-10.16.1
       sssd-ipa-debuginfo-1.11.5.1-10.16.1
       sssd-krb5-1.11.5.1-10.16.1
       sssd-krb5-common-1.11.5.1-10.16.1
       sssd-krb5-common-debuginfo-1.11.5.1-10.16.1
       sssd-krb5-debuginfo-1.11.5.1-10.16.1
       sssd-ldap-1.11.5.1-10.16.1
       sssd-ldap-debuginfo-1.11.5.1-10.16.1
       sssd-proxy-1.11.5.1-10.16.1
       sssd-proxy-debuginfo-1.11.5.1-10.16.1
       sssd-tools-1.11.5.1-10.16.1
       sssd-tools-debuginfo-1.11.5.1-10.16.1
  o SUSE Linux Enterprise Server 12-LTSS (s390x x86_64):
       sssd-32bit-1.11.5.1-10.16.1
       sssd-debuginfo-32bit-1.11.5.1-10.16.1


References:

  o https://www.suse.com/security/cve/CVE-2019-3811.html
  o https://bugzilla.suse.com/1039567
  o https://bugzilla.suse.com/1082568
  o https://bugzilla.suse.com/1121759
  o https://bugzilla.suse.com/976038
  o https://bugzilla.suse.com/977224

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