SARA / Free Tools / CVE / CVE-2019-3811

CVE-2019-3811 — A vulnerability was found in sssd

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

CVSS
4.1 MEDIUM
EPSS
0.12% (top 69.70%)
CWE
CWE-552, CWE-200
Published
2019-01-15T15:00:00.000Z
Last modified
2025-02-13T16:27:24.771Z
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
The sssd Projectsssd2.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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