sssd is vulnerable to unauthorized access. For a user with no home directory configuration, the fallback_homedir returns ‘/’.
lists.opensuse.org/opensuse-security-announce/2019-03/msg00026.html
lists.opensuse.org/opensuse-security-announce/2019-04/msg00045.html
www.securityfocus.com/bid/106644
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index
access.redhat.com/errata/RHSA-2019:2177
access.redhat.com/security/cve/CVE-2019-3811
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1350012
bugzilla.redhat.com/show_bug.cgi?id=1402056
bugzilla.redhat.com/show_bug.cgi?id=1406678
bugzilla.redhat.com/show_bug.cgi?id=1614296
bugzilla.redhat.com/show_bug.cgi?id=1619706
bugzilla.redhat.com/show_bug.cgi?id=1631656
bugzilla.redhat.com/show_bug.cgi?id=1645461
bugzilla.redhat.com/show_bug.cgi?id=1653759
bugzilla.redhat.com/show_bug.cgi?id=1656618
bugzilla.redhat.com/show_bug.cgi?id=1658994
bugzilla.redhat.com/show_bug.cgi?id=1671138
bugzilla.redhat.com/show_bug.cgi?id=1672527
bugzilla.redhat.com/show_bug.cgi?id=1677355
bugzilla.redhat.com/show_bug.cgi?id=1677665
bugzilla.redhat.com/show_bug.cgi?id=1679173
bugzilla.redhat.com/show_bug.cgi?id=1684979
bugzilla.redhat.com/show_bug.cgi?id=1685472
bugzilla.redhat.com/show_bug.cgi?id=1685581
bugzilla.redhat.com/show_bug.cgi?id=1707759
bugzilla.redhat.com/show_bug.cgi?id=1710286
bugzilla.redhat.com/show_bug.cgi?id=1711832
bugzilla.redhat.com/show_bug.cgi?id=720688
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3811
lists.debian.org/debian-lts-announce/2019/01/msg00011.html