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CVE-2018-16838

Published: 25 March 2019

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.

Notes

AuthorNote
mdeslaur
introduced in https://github.com/SSSD/sssd/commit/60cab26b12

Priority

Low

Cvss 3 Severity Score

5.4

Score breakdown

Status

Package Release Status
sssd
Launchpad, Ubuntu, Debian
bionic
Released (1.16.1-1ubuntu1.8)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Not vulnerable
(2.2.0-4ubuntu1)
focal Not vulnerable
(2.2.2-1)
groovy Not vulnerable
(2.2.2-1)
hirsute Not vulnerable
(2.2.2-1)
impish Not vulnerable
(2.2.2-1)
jammy Not vulnerable
(2.2.2-1)
kinetic Not vulnerable
(2.2.2-1)
lunar Not vulnerable
(2.2.2-1)
mantic Not vulnerable
(2.2.2-1)
trusty Does not exist
(trusty was deferred [2019-04-23])
upstream
Released (2.2.0-1)
xenial Needed

Patches:
upstream: https://pagure.io/SSSD/sssd/c/ad058011b6b75b15c674be46a3ae9b3cc5228175

Severity score breakdown

Parameter Value
Base score 5.4
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N