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CVE-2018-16838

Publication date 25 March 2019

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

5.4 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
sssd 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 1.16.1-1ubuntu1.8
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Not in release

Notes


mdeslaur

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

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
sssd

Severity score breakdown

Parameter Value
Base score 5.4 · Medium
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

References

Related Ubuntu Security Notices (USN)

    • USN-5067-1
    • SSSD vulnerabilities
    • 8 September 2021

Other references