STIGQter: STIG Summary: Oracle Linux 7 Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

The Oracle Linux operating system must not have the ypserv package installed.

DISA Rule

SV-221705r603260_rule

Vulnerability Number

V-221705

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

OL07-00-020010

Severity

CAT I

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

Configure the operating system to disable non-essential capabilities by removing the "ypserv" package from the system with the following command:

# yum remove ypserv

Check Contents

The NIS service provides an unencrypted authentication service that does not provide for the confidentiality and integrity of user passwords or the remote session.

Check to see if the "ypserve" package is installed with the following command:

# yum list installed ypserv

If the "ypserv" package is installed, this is a finding.

Vulnerability Number

V-221705

Documentable

False

Rule Version

OL07-00-020010

Severity Override Guidance

The NIS service provides an unencrypted authentication service that does not provide for the confidentiality and integrity of user passwords or the remote session.

Check to see if the "ypserve" package is installed with the following command:

# yum list installed ypserv

If the "ypserv" package is installed, this is a finding.

Check Content Reference

M

Target Key

4089

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