Improper Privilege Management Affecting sssd-tools package, versions <0:1.16.4-21.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-SSSDTOOLS-2143912
- published26 Jul 2021
- disclosed4 Feb 2019
Introduced: 4 Feb 2019
CVE-2018-16838 (opens in a new tab)How to fix?
Upgrade Centos:7 sssd-tools to version 0:1.16.4-21.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream sssd-tools package and not the sssd-tools package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838
- https://access.redhat.com/security/cve/CVE-2018-16838
- https://access.redhat.com/errata/RHSA-2019:2177
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1640820
- https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html