CVE-2019-3811

MEDIUMCVSS 5.2/10EPSS 0.70%

Last modified

CVE-2019-3811 is a medium-severity vulnerability rated 5.2/10 on the CVSS scale. 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). EPSS estimates a 0.70% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.2/10

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
0.70%

48.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FedoraprojectSssd< 2.1
DebianDebian Linux8.0
FedoraprojectFedoraAll versions
OpensuseLeap15.0
OpensuseLeap42.3
RedhatEnterprise Linux7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-3811?
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.
How severe is CVE-2019-3811?
CVE-2019-3811 has a CVSS score of 5.2/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3811?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3811?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST