What’s Vulnerable › Vulnerabilities

CVE-2019-3811

• Severity: medium (CVSS 5.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-15 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• Debian Linux: 8.0
• Fedoraproject Fedora: all versions
• [UNKNOWN] sssd: before 2.1 — fixed in 2.1
• openSUSE Leap: 15.0, 42.3
• Red Hat Enterprise Linux: 7.0

How to fix

Upgrade to a fixed version: [UNKNOWN] sssd 2.1. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00026.html
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00045.html
• http://www.securityfocus.com/bid/106644
• https://access.redhat.com/errata/RHSA-2019:2177
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3811
• https://lists.debian.org/debian-lts-announce/2019/01/msg00011.html
• https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
• http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00026.html
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00045.html
• http://www.securityfocus.com/bid/106644
• https://access.redhat.com/errata/RHSA-2019:2177
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3811

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