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Vulnerability Details : CVE-2018-16838

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.
Publish Date : 2019-03-25 Last Update Date : 2019-10-02
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- CVSS Scores & Vulnerability Types

CVSS Score
5.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s)
CWE ID 269

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:2177: sssd security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20192177 unix
RHSA-2019:3651: sssd security, bug fix, and enhancement update (Low) oval:com.redhat.rhsa:def:20193651 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-16838

# Product Type Vendor Product Version Update Edition Language
1 Application Fedoraproject Sssd - Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 7.0 Version Details Vulnerabilities
3 OS Redhat Virtualization 4.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Sssd 1
Redhat Enterprise Linux 1
Redhat Virtualization 1

- References For CVE-2018-16838

https://access.redhat.com/errata/RHSA-2019:2177
REDHAT RHSA-2019:2177
https://access.redhat.com/errata/RHSA-2019:2437
REDHAT RHSA-2019:2437
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838 CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html
SUSE openSUSE-SU-2019:1576
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.html
SUSE openSUSE-SU-2019:1589

- Metasploit Modules Related To CVE-2018-16838

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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