Improper Privilege Management Affecting sssd-debuginfo package, versions <0:1.16.4-21.25.amzn1
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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- published27 Sept 2021
- disclosed25 Mar 2019
Introduced: 25 Mar 2019
CVE-2018-16838 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 sssd-debuginfo to version 0:1.16.4-21.25.amzn1 or higher.
This issue was patched in ALAS-2019-1307.
NVD Description
Note: Versions mentioned in the description apply only to the upstream sssd-debuginfo package and not the sssd-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 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
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16838
- https://access.redhat.com/errata/RHSA-2019:2177
- https://access.redhat.com/errata/RHSA-2019:2437
- https://access.redhat.com/errata/RHSA-2019:3651
- 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/security/cve/CVE-2018-16838
- https://bugzilla.redhat.com/show_bug.cgi?id=1640820
- https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html