CVE-2019-3811 Information

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.

CVSS Vector

CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.2