V-215204

SV-215204r987796_rule

CAT I

IF LDAP is used, AIX LDAP client must use SSL to authenticate with LDAP server.

From: IBM AIX 7.x Security Technical Implementation Guide (V3R2)

Description

<VulnDiscussion>While LDAP client's authentication type is ldap_auth (server-side authentication), the client sends password to the server in clear text for authentication. SSL must be used in this case.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>

Check Procedure

Run the following command to check if "authtype" is "ldap_auth": # grep -iE "^authtype:[[:blank:]]*ldap_auth" /etc/security/ldap/ldap.cfg The above command should yield the following output: authtype:ldap_auth Run the following command to check if SSL is not used in the "/etc/security/ldap/ldap.cfg" file: # grep -iE "^useSSL:[[:blank:]]*yes" /etc/security/ldap/ldap.cfg The above command should yield the following output: useSSL:yes If the first command displays "authtype:ldap_auth" but the second command does not display "useSSL:yes", this is a finding.

Fix Text

Edit the "/etc/security/ldap/ldap.cfg" file to have the following line: useSSL:yes Configure the LDAP server and LDAP client to use the SSL according to AIX LDAP documentation. Restart the client daemon: # restart-secldapclntd

CCI Reference

CCI-000197

Created: 2026-04-07 20:08:18
Last Updated: 2026-04-07 20:08:18