STIGQter STIGQter: STIG Summary: SUSE Linux Enterprise Server 15 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 23 Apr 2021:

The SUSE operating system default permissions must be defined in such a way that all authenticated users can only read and modify their own files.

DISA Rule

SV-235030r622137_rule

Vulnerability Number

V-235030

Group Title

SRG-OS-000480-GPOS-00228

Rule Version

SLES-15-040420

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the SUSE operating system to define the default permissions for all authenticated users in such a way that the users can only read and modify their own files.

Add or edit the "UMASK" parameter in the "/etc/login.defs" file to match the example below:

UMASK 077

Check Contents

Verify the SUSE operating system defines default permissions for all authenticated users in such a way that the users can only read and modify their own files.

Check the system default permissions with the following command:

> grep -i "^umask" /etc/login.defs

UMASK 077

If the "UMASK" variable is set to "000", the severity is raised to a CAT I, and this is a finding.

If the value of "UMASK" is not set to "077", or "UMASK" is missing, this is a finding.

Vulnerability Number

V-235030

Documentable

False

Rule Version

SLES-15-040420

Severity Override Guidance

Verify the SUSE operating system defines default permissions for all authenticated users in such a way that the users can only read and modify their own files.

Check the system default permissions with the following command:

> grep -i "^umask" /etc/login.defs

UMASK 077

If the "UMASK" variable is set to "000", the severity is raised to a CAT I, and this is a finding.

If the value of "UMASK" is not set to "077", or "UMASK" is missing, this is a finding.

Check Content Reference

M

Target Key

5274

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