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OL 8 must not have the "gssproxy" package installed if not required for operational support.


Overview

Finding ID Version Rule ID IA Controls Severity
V-248904 OL08-00-040370 SV-248904r780278_rule Medium
Description
Verify the operating system is configured to disable non-essential capabilities. The most secure way of ensuring a non-essential capability is disabled is to not have the capability installed. When an application uses Generic Security Services API (GSSAPI), typically it will have direct access to its security credentials, and all cryptographic operations are performed in the application's process. This is undesirable, but "gssproxy" can help in almost all use cases. It provides privilege separation to applications using the GSSAPI: The gssproxy daemon runs on the system, holds the application's credentials, and performs operations on behalf of the application.
STIG Date
Oracle Linux 8 Security Technical Implementation Guide 2022-12-06

Details

Check Text ( C-52338r780276_chk )
Determine if the "gssproxy" package is installed with the following command:

$ sudo yum list installed gssproxy

If the "gssproxy" package is installed, this is a finding.
Fix Text (F-52292r780277_fix)
Configure OL 8 to disable non-essential capabilities by removing the "gssproxy" package from the system with the following command:

$ sudo yum remove gssproxy