Vulnerability Details : 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.
Vulnerability category: Information leak
Products affected by CVE-2019-3811
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:sssd:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-3811
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3811
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.7
|
LOW | AV:A/AC:L/Au:S/C:N/I:N/A:P |
5.1
|
2.9
|
NIST | |
|
4.1
|
MEDIUM | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N |
2.3
|
1.4
|
Red Hat, Inc. | |
|
5.2
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
1.5
|
3.6
|
NIST |
CWE ids for CVE-2019-3811
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: secalert@redhat.com (Secondary)
-
The product makes files or directories accessible to unauthorized actors, even though they should not be.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2019-3811
-
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00026.html
[security-announce] openSUSE-SU-2019:0344-1: moderate: Security update fMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:2177
RHSA-2019:2177 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00045.html
[security-announce] openSUSE-SU-2019:1174-1: moderate: Recommended updatMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
[SECURITY] [DLA 3436-1] sssd security update
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3811
1656618 – (CVE-2019-3811) CVE-2019-3811 sssd: fallback_homedir returns '/' for empty home directories in passwd fileIssue Tracking;Patch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2019/01/msg00011.html
[SECURITY] [DLA 1635-1] sssd security updateMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/106644
SSSD CVE-2019-3811 Security Bypass VulnerabilityBroken Link
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