VulnerabilityModified
CVE-2018-1113
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.
MEDIUM 5.3EPSS 0.32%
Does this matter?
Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 0.32% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-285, CWE-732
- Affected
- redhat/setup · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHBA-2019:0327Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3249Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1113Issue Tracking, Vendor Advisory
- https://access.redhat.com/errata/RHBA-2019:0327Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3249Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1113Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.