CVE-2018-16838
Red Hat SSSD Privilege Escalation Vulnerability
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.
INFO
Published Date :
March 25, 2019, 6:29 p.m.
Last Modified :
May 29, 2023, 5:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.5
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-16838.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-16838 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-16838 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 29, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description CVE-2018-16838 sssd: improper implementation of GPOs due to too restrictive permissions 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. Removed Reference https://access.redhat.com/security/cve/CVE-2018-16838 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1640820 [No Types Assigned] Added CWE Red Hat, Inc. CWE-284 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. CVE-2018-16838 sssd: improper implementation of GPOs due to too restrictive permissions Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1640820 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2018-16838 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-284 Removed CWE Reason CWE-284 / Assessment performed prior to CVMAP efforts -
CPE Deprecation Remap by [email protected]
Oct. 15, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 06, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:3651 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Added CWE Red Hat, Inc. CWE-284 -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-264 CWE-275 CWE-269 -
CVE Modified by [email protected]
Aug. 12, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:2437 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 06, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:2177 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 19, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 18, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 03, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:N) Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838 Issue Tracking, Third Party Advisory Added CWE CWE-264 Added CPE Configuration OR *cpe:2.3:a:fedoraproject:sssd:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-16838 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-16838
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} -0.02%
score
0.45994
percentile