Medium severity · published Mar 25, 2019
CVE-2018-16838
A flaw was found in sssd Group Policy Objects implementation
5.4
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
7.0 · source: NVD
SS
Sssd · Fedoraproject
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16838
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16838
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.html
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2177
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2437
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3651
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838
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