Detections
Analytics
UBTU-16-010640 - Default permissions must be defined in such a way that all authenticated users can only read and modify their own files.
Information
Setting the most restrictive default permissions ensures that when new accounts are created they do not have unnecessary access.Solution
Configure the system to define the default permissions for all authenticated users in such a way that the user can only read and modify their own files.Edit the 'UMASK' parameter in the '/etc/login.defs' file to match the example below:
UMASK 077
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_CAN_Ubuntu_16-04_LTS_V2R3_STIG.zip
Item Details
Audit Name: DISA STIG Ubuntu 16.04 LTS v2r3
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-214996r610931_rule, STIG-ID|UBTU-16-010640, STIG-Legacy|SV-90223, STIG-Legacy|V-75543, Vuln-ID|V-214996
Plugin: Unix
Control ID: ddfb7681afaa2be15038f81a459f79aa7396c8114a90de2573a7631011f6e489