National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-3811 Detail

Current 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.

Source:  MITRE
Description Last Modified:  01/15/2019
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.2 MEDIUM
Vector: AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.5


Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 2.7 LOW
Vector: (AV:A/AC:L/Au:S/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 5.1


Access Vector (AV): Local_Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00026.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00045.html Third Party Advisory
http://www.securityfocus.com/bid/106644 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3811 Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00011.html Mailing List Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:fedoraproject:sssd:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.1

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-3811
NVD Published Date:
01/15/2019
NVD Last Modified:
04/25/2019