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V-239501

CAT II (Medium)

The SLES for vRealize must prohibit password reuse for a minimum of five generations.

Rule ID

SV-239501r661954_rule

STIG

VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide

Version

V2R2

CCIs

CCI-000200

Discussion

Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user to consecutively reuse their password when that password has exceeded its defined lifetime, the end result is a password that is not changed as per policy requirements.

Check Content

Verify that SLES for vRealize prohibits the reuse of a password for a minimum of five generations, by running the following commands:

# grep pam_pwhistory.so /etc/pam.d/common-password-vmware.local 

If the "remember" option in "/etc/pam.d/common-password-vmware.local" file is not "5" or greater, this is a finding.

Fix Text

Configure pam to use password history. 

If the "remember" option was not set at all in "/etc/pam.d/common-password-vmware.local" file then run the following command:

# sed -i '/pam_cracklib.so/ s/$/ remember=5/' /etc/pam.d/common-password-vmware.local

If "remember" option was set incorrectly, run the following command to set it to "5":

# sed -i '/pam_cracklib.so/ s/remember=./remember=5/' /etc/pam.d/common-password-vmware.local