Title

RHEL 9 file system automount function must be disabled unless required. (Cat II impact)

Discussion

An authentication process resists replay attacks if it is impractical to achieve a successful authentication by recording and replaying a previous authentication message. Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163, SRG-OS-000480-GPOS-00227

Check Content

Note: If the autofs service is not installed, this requirement is Not Applicable. Verify that the RHEL 9 file system automount function has been disabled with the following command: $ systemctl is-enabled autofs masked If the returned value is not "masked", "disabled", or "Failed to get unit file state for autofs.service for autofs" and is not documented as an operational requirement with the information system security officer (ISSO), this is a finding.

Fix Text

Configure RHEL 9 to disable the ability to automount devices. The autofs service can be disabled with the following command: $ sudo systemctl mask --now autofs.service

Additional Identifiers

Rule ID: SV-257849r1044928_rule

Vulnerability ID: V-257849

Group Title: SRG-OS-000114-GPOS-00059

Expert Comments

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