Vulnerability CVE-2019-3811
Published: 2019-01-15

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:A/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.7/10
2.9/10
5.1/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Enterprise linux 
Opensuse -> LEAP 
Fedoraproject -> SSSD 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 References:
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
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