Vulnerability CVE-2018-16838
Published: 2019-03-25

Description:
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.

Type:

CWE-269

 (Improper Privilege Management)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Redhat -> Enterprise linux 
Redhat -> Virtualization 
Fedoraproject -> SSSD 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.html
https://access.redhat.com/errata/RHSA-2019:2177
https://access.redhat.com/errata/RHSA-2019:2437
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838
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