Detections
Analytics
AZLX-23-002480 - Amazon Linux 2023 must insure all interactive users have a primary group that exists.
Information
If a user is assigned the group identifier (GID) of a group that does not exist on the system, and a group with the GID is subsequently created, the user may have unintended rights to any files associated with the group.Satisfies: SRG-OS-000104-GPOS-00051, SRG-OS-000121-GPOS-00062, SRG-OS-000042-GPOS-00020
Solution
Configure Amazon Linux 2023 so that all GIDs are referenced in "/etc/passwd" are defined in "/etc/group".Edit the file "/etc/passwd" and ensure that every user's GID is a valid GID.
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Amazon_Linux_2023_V1R3_STIG.zip
Item Details
Audit Name: DISA Amazon Linux 2023 STIG v1r3
Category: AUDIT AND ACCOUNTABILITY, IDENTIFICATION AND AUTHENTICATION
References: 800-53|AU-3(1), 800-53|IA-2, 800-53|IA-8, CAT|II, CCI|CCI-000135, CCI|CCI-000764, CCI|CCI-000804, Rule-ID|SV-274159r1120465_rule, STIG-ID|AZLX-23-002480, Vuln-ID|V-274159
Plugin: Unix
Control ID: 845a71119760f2580f0b8b5246956bb4e30ebefc49e8301605d5926a5eae7903