CVE-2018-16838

CVSS V2 Medium 5.5 CVSS V3 Medium 5.4
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.
Overview
  • CVE ID
  • CVE-2018-16838
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-03-25T18:29:00
  • Last Modified Date
  • 2023-02-13T04:51:50
Weakness Enumerations
CWE URL
CWE-284 http://cwe.mitre.org/data/definitions/284.html
CWE-269 http://cwe.mitre.org/data/definitions/269.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:fedoraproject:sssd:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.5
References
Reference URL Reference Tags
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/errata/RHSA-2019:2177
https://access.redhat.com/errata/RHSA-2019:2437
https://access.redhat.com/errata/RHSA-2019:3651
https://access.redhat.com/security/cve/CVE-2018-16838
https://bugzilla.redhat.com/show_bug.cgi?id=1640820
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838 Issue Tracking Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-16838
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16838
History
Created Old Value New Value Data Type Notes
2022-05-10 17:08:37 Added to TrackCVE
2022-12-03 18:35:42 2019-03-25T18:29Z 2019-03-25T18:29:00 CVE Published Date updated
2022-12-03 18:35:42 2020-10-15T13:28:10 CVE Modified Date updated
2022-12-03 18:35:42 Modified Vulnerability Status updated
2023-02-02 22:09:19 2023-02-02T21:18:11 CVE Modified Date updated
2023-02-02 22:09:20 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 Description updated
2023-02-02 22:09:20 References updated
2023-02-13 05:10:59 2023-02-13T04:51:50 CVE Modified Date updated
2023-02-13 05:10:59 Weakness Enumeration update
2023-02-13 05:10:59 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. Description updated