CVE-2018-1113
First published: Tue Apr 24 2018(Updated: )
setup before version 2.11.4-1.fc28 in Fedora and Red Hat Enterprise Linux added /sbin/nologin and /usr/sbin/nologin to /etc/shells. This violates security assumptions made by pam_shells and some daemons which allow access based on a user's shell being listed in /etc/shells. Under some circumstances, users which had their shell changed to /sbin/nologin could still access the system.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/setup 2.11.4 | <1. | 1. |
| Redhat Setup | <2.11.4 | |
| Fedoraproject Fedora | ||
| Red Hat Enterprise Linux | ||
| Redhat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =7.0 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1378893
- https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/UCUWTT63JS72R7ROFE46ZVUZLFN3K2MZ/#UCUWTT63JS72R7ROFE46ZVUZLFN3K2MZ
- https://www.redhat.com/archives/fedora-maintainers/2007-May/msg00887.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1571103
- https://access.redhat.com/errata/RHSA-2018:3249
- https://bugzilla.redhat.com/show_bug.cgi?id=1571094
- https://access.redhat.com/errata/RHBA-2019:0327
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1113
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