CVE-2019-3811: Infoleak
First published: Tue Dec 04 2018(Updated: )
A vulnerability was found in sssd where, 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().
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/sssd | <0:1.16.4-21.el7 | 0:1.16.4-21.el7 |
| Fedoraproject Sssd | <2.1 | |
| Debian Debian Linux | =8.0 | |
| Fedoraproject Fedora | ||
| openSUSE Leap | =15.0 | |
| openSUSE Leap | =42.3 | |
| Redhat Enterprise Linux | =7.0 |
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Reference Links
- 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
- https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
- https://github.com/SSSD/sssd/pull/703
- https://github.com/SSSD/sssd/pull/703/commits/fa0a6400ebd2f4056a057914355ec2ddefc14fe6
- https://github.com/SSSD/sssd/pull/703/commits/fe11bd0d5b7dea9f1723c5a59ba0c47641802797
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656619
- https://github.com/SSSD/sssd/commit/704cc1c7
- https://github.com/SSSD/sssd/commit/90f32399b4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656618#c2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656618#c4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656618#c6
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656618#c0
- https://pagure.io/SSSD/sssd/issue/3901
- https://www.samba.org/samba/security/CVE-2018-16857.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656618#c13
- https://lists.fedorahosted.org/archives/list/sssd-users@lists.fedorahosted.org/thread/IKWCIYZ3E6ATZECU2SIWCJ22POSDTI2V/
- https://access.redhat.com/security/cve/cve-2019-3811
- https://bugzilla.redhat.com/show_bug.cgi?id=1656618
- https://www.cve.org/CVERecord?id=CVE-2019-3811 https://nvd.nist.gov/vuln/detail/CVE-2019-3811
Frequently Asked Questions
What is the vulnerability ID for this sssd vulnerability?
The vulnerability ID for this sssd vulnerability is CVE-2019-3811.
What is the severity level of CVE-2019-3811?
The severity level of CVE-2019-3811 is medium with a score of 5.2.
How does this vulnerability affect sssd?
This vulnerability in sssd affects users who are configured with no home directory set.
Is there a fix available for CVE-2019-3811?
Yes, there is a fix available for CVE-2019-3811. It is recommended to update to version 1.16.4-21.el7 or later.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability in the sssd GitHub repository and on the CVE-2019-3811 page.
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