CVE-2019-3811

sssd: fallback_homedir returns '/' for empty home directories in passwd file

Published Jan 15, 2019 CVSS 3.1 · 5.2 Medium EPSS < 1% KEV · Not listed
Description
A vulnerability was found in sssd. If a user was configured with no home directory set, sssd would return '/' (the root directory) instead of '' (the empty string / no home directory). This could impact services that restrict the user's filesystem access to within their home directory through chroot() etc. All versions before 2.1 are vulnerable.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1635-1 sssd security update
Debian DLA Debian DLA DLA-3436-1 sssd security update
EUVD EUVD EUVD-2019-13434 A vulnerability was found in sssd. If a user was configured with no home directory set, sssd would return '/' (the root directory) instead of '' (the empty string / no home directory). This could impact services that restrict the user's filesystem access to within their home directory through chroot() etc. All versions before 2.1 are vulnerable.
Ubuntu USN Ubuntu USN USN-5067-1 SSSD vulnerabilities
History

No history.

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Feb 13, 2025, 4:27 PM
Reserved
Jan 3, 2019, 12:00 AM
Status
Modified
Published
Jan 15, 2019, 3:29 PM
Modified
Jun 17, 2026, 2:35 AM
Severity
Moderate
Public date
Dec 4, 2018, 12:00 AM